# SDR CALA2025102610524

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2025
- Submitted: October 27, 2025
- Operation: Air carrier
- Aircraft: [N75435](https://openairdocs.org/aircraft/N75435), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33529
- Aircraft time: 51,181 hours, 18,376 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146A750236
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025102610524

## Discrepancy

AFT CARGO COMPARTMENT RIGHT SIDE TRANSITIONAL PANEL BETWEN STA 727H-727I HAS CORROSION. MARKED WITH RED PEN.  REMOVED AND REPLACED TRANSITION PANEL FROM BS727-727I USING 'Z' ANGLE PN# BAC1496-377 7075-T62 FOR 2EA TRANSITION PANELS AND 1EA SPLICE REPAIR PARTS IAW SRM 53-00-53-2R-5 REPAIR 5 AND BDWG 146A7500 REV-.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.