# SDR CALA2024111402855

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2024
- Submitted: November 14, 2024
- Operation: Air carrier
- Aircraft: [N25201](https://openairdocs.org/aircraft/N25201), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28958
- Aircraft time: 69,552 hours, 26,255 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Fitting
- Part number: 148A31509
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024111402855

## Discrepancy

AFT PRESSURE BULKHEAD STA 1016 STRINGER 2R AFT FITTING HAS EXFOLIATION CORROSION REF AAR N/R 9912544 FOR REPETITIVE INSPECTION REQUIREMENTS STATED IN PART 2.   REMOVED AND REPLACED AFT PRESSURE BULKHEAD STA 1016 AFT END FITTING S-2R AS PER BOEING DWG 147A0070 SHEET 28 AND ECRA 5380-01411 PT1 PARA 2 AND 3 THIS IS A CAT B REPAIR WITH NO TERMINATING ACTION FOR REPETITIVE INSPECTION THIS REPAIR WILL BE REINSPECTED IAW ECRA 5380-01411 ON LOG PAGE 9844369 WHICH COVERS REPAIRS FOR STR2R AND STR4R.

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