SAFRAN · Dallas O. Maldonado
Welcome back, Omar
MTI Repair Center · 29 Jun 2026

Units in shop

7

Items pending inspection

23

Components near limit

5

Reports this month

142

What do you want to do

Recent activity · consultation

View all
LPT Stage 1 Disk · 301-331-126-0 · BC915099Scrapped · 27 Apr
CFM56-7B22/3 · S/N 34275E · WO 1175Overhaul · in progress
Air Producer · 096-01-03 · WO 1168Released · 22 Jun
Home Catalog import
SAFRAN · Dallas O. Maldonado

SAFRAN owns and uploads its own technical data. SOMA stores part numbers, BOM structure and life limits — never OEM manuals or inspection tolerances.

catalog_safran_2026.xlsx
3 sheets · 12 rows parsed · uploaded by SAFRAN
P/N (parent)
Description
Engine family
Status
301-330-000-0
LP Turbine module
CFM56-7B22/3
Valid
096-01-03
Air Producer (APU)
T-45
Valid
Parent P/N
Component P/N
Description
Counter
Life limit
Status
301-330-000-0
301-331-126-0
LPT Stage 1 Disk
CSN
25,000
Valid
301-330-000-0
301-331-227-0
LPT Stage 2 Disk
CSN
25,000
Valid
301-330-000-0
301-331-322-0
LPT Stage 3 Disk
CSN
25,000
Valid
301-330-000-0
301-331-429-0
LPT Stage 4 Disk
CSN
25,000
Valid
301-330-000-0
301-330-626-0
LPT Stub Shaft
CSN
—
No limit

1 row has no life limit — it will import as a non-life-limited component unless a value is added.

Code
Description
Status
085
Trailing edge crack, blade 3
Valid
086
Requires NDT inspection
Valid
112
Erosion within limits
Valid
240
Coating loss
Valid
318
Dimensional out of tolerance
Valid

Rows ready to import

11

Warnings

1

Errors

0

Import mode
Home Enter a part
SAFRAN · Dallas O. Maldonado
Enter a part (arriving unit)
Search the unit. If we've seen it before, its recorded times load automatically. If it's a first arrival, you'll upload its initial times.
Try: 34275E (returning unit) · 90118Z (first arrival)

Enter a unit P/N and serial to begin.

Home Enter a part First arrival · upload times
SAFRAN · Dallas O. Maldonado
CFM56-7B22/3 · LP Turbine module · S/N 90118Z
First arrival — load the initial accumulated times per component

Life limits are already defined in the catalog — you only load the accumulated times (TSN, CSN, TSO, CSO). The system computes remaining life = catalog limit − accumulated time.

arriving_times_90118Z.xlsx
18 components · times parsed · uploaded by SAFRAN
Component P/N
Description
TSN
CSN
TSO
CSO
Limit*
301-331-126-0
LPT Stage 1 Disk
19,120
18,050
4,300
3,900
25,000
301-331-227-0
LPT Stage 2 Disk
19,120
18,050
4,300
3,900
25,000
301-331-322-0
LPT Stage 3 Disk
17,540
16,600
2,720
2,450
25,000
301-330-626-0
LPT Stub Shaft
19,120
18,050
4,300
3,900
30,000

*Limit column shown for reference only — it comes from the catalog, not from this upload. Showing 4 of 18 components.

After import, the unit is ready and remaining life is calculated
Home Logbook · Arriving update
SAFRAN · Dallas O. Maldonado
CFM56-7B22/3 · LP Turbine module · S/N 34275E

WO number

1175

WO date

09 Jun 2026

Customer

Rolls-Royce

Inspector

O. Maldonado

Maint. control

Hard time / LLP

Update times from customer log card

Last recorded (CSN)

22,290

New total cycles (from log card)

Cycles flown this period

2,450

The flown delta applies equally to every installed component (all work is done in shop, not on the flight line).

Lowest remaining life

260 cycles

Components near limit

2 of 5

Work requested

Overhaul

Component
At install
+ Flown
CSN
Limit
Remaining

Remarks & decision

Preliminary inspection

Reason for removal

Work requested · technician decides

System shows remaining life · the technician decides the work
Home Metrology inspection
SAFRAN · Dallas O. Maldonado
Open an inspection
Enter a part or serial. If it's a unit you'll see its components; if it's a component you'll go straight to its paperwork.
Try: 301-330-000-0 (unit) · 301-331-322-0 (component)

Enter a unit P/N and serial to open its inspection package.

Home Logbook Inspection package
SAFRAN · Dallas O. Maldonado
CFM56-7B22/3 · LP Turbine module · S/N 34275E
Unit event: Overhaul

WO number

1175

Customer

Rolls-Royce

Inspector

O. Maldonado

Return cause

Scheduled maint

Inspection progress 3 of 18 completed
Component
Inspection
Status
LPT Stage 1 Disk
301-331-126-0 · BC915099
Visual · Dimensional
Completed
LPT Stage 2 Disk
301-331-227-0 · BC904199
Visual · Dimensional
Completed
LPT Stage 3 Disk
301-331-322-0 · BC896399
Visual · Dimensional · NDI
Completed
LPT Stage 4 Disk
301-331-429-0 · DD686699
Visual · Dimensional
In progress
LPT Stub Shaft
301-330-626-0 · DD721899
Visual · Dimensional
Pending
LPT Nozzle Assembly
305-110-200-0
Visual · NDI
Pending
No.4 Bearing
340-220-010-0 · BR55021
Visual · Dimensional
Pending
LPT Case
301-300-100-0
Visual
Pending
1 of 3 · showing 8 of 18
Release available once all 18 components are inspected
Home Inspection package Metrology · Decision Paperwork
SAFRAN · Dallas O. Maldonado
301-331-126-0 · LPT Stage 1 Disk
BOM item 1 of 18 · CFM56-7B22/3
Unit event: Overhaul Inspection performed

Engine

CFM56-7B22/3

Section

LP Turbine

Maint. control

Life Limit (LLP)

Module S/N

34275E

Customer

Rolls-Royce

Return cause

Scheduled maint

Repair manual

CFM CMM · 72-53

Doc serial

7-FO-5-4-03-24

P/N in

301-331-126-0

S/N in

BC915099

CSN

24,740

TSN

26,357

CSO

2,450

Limit

25,000

Part decision
per the manual — may differ from the unit event

Decision

Code

Issue type

Quantity

Inspection result

Visual
Dimensional
NDI

Stamp / inspector

O. Maldonado · QA-214

Date of inspection

27 Apr 2026

Manual ref · reference only, no tolerances stored

Item rejected — manual requires replacement. Record the installed part.

P/N out (installed)

S/N out

SAP pick ticket

Disposition

Method

Result

NDT stamp

Refer to non-destructive sheet for verification of NDI stamps.

Code
Description (from manual)
Examination report
085
Trailing edge crack, blade 3
Crack 4mm, beyond repair limit

Mandatory dimensions the manual requires to be recorded. Values are what the inspector measured.

Dimension
Measured value
Unit
Bore Ø
mm
Rim thickness
mm
Web radial runout
mm

Additional comments

disk_web.jpg
bore_detail.jpg
Add photo
Home Reports library
SAFRAN · Dallas O. Maldonado

Look up a part or a unit

Enter a part number and serial to see its report history.

Home Reports library Part report
Part report · travels with the part
SAFRAN · Dallas
Repair manualCFM CMM 72-53
Item descriptionLPT STAGE 1 DISK
Item #301-331-126-0
EngineCFM56-7B22/3
Module typeLP Turbine
Module S/N34275E
CustomerROLLS-ROYCE
P/N in301-331-126-0
S/N inBC915099
CSN24,740
Limit25,000
P/N out301-331-126-1
S/N outDD884512
Date27 Apr 2026
Return causeSCHEDULED
REPAIR
Decision—
Issue—
Qty—
OVERHAUL
DecisionD
Issue1
Qty1
VisualAcceptRepair✗Rejected
DimensionalAcceptRepair✗Rejected
Date27 Apr 2026
NDINot required if checked✓Not required
Modifications to applyNone
Condition codes · examination report
085Trailing edge crack, blade 3 —cyclic life consumed beyond Category B limit
Record mandatory dimensions
Bore Ø: 142.18 mmRim thickness: 8.04 mmWeb runout: 0.12 mm
Additional commentsDisk scrapped — life-limited part beyond limit. Replaced with new LLP, fresh life record opened.
Repair requiredMTICV
Manual no72-53-01
Metrology rev date12 Jan 2024
Update num07
Inspector stamp / signature
Omar Maldonado
QA-214 · 27 Apr 2026
REJECTEDSCRAP27 APR 2026
7-FO-5-4-03-24Page 02Printed 29 Jun 2026