# SDR CALA2025120211640

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2025
- Submitted: December 2, 2025
- Operation: Air carrier
- Aircraft: [N77865](https://openairdocs.org/aircraft/N77865), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32589
- Aircraft time: 72,509 hours, 21,526 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Condition: Corroded
- Location: Zone 200
- 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/CALA2025120211640

## Discrepancy

(SDR) MAIN DECK RH SIDE CREASE BEAM BETWEEN STA 1290 AND STA 140 0 HAS CORROSION EXFOLIATED. ESFR ENTRY CREASE BEAM WAS EXFOLIATED REMOVE DAMAGE CREASE BEAM IAW SRM 51- 40-02, FABRICATED NEW CREASE BEAM, TRAVELER:T25/1841659, LOCATED AND DRILLED IAW SRM 51-40-05, TREATED AND PRIMED IAW SRM 51-20- 01, TOP COATED IAW AMM 51-21-15, INSTALLED NEW CREASE BEAM IAW SRM 51-40-02. SFR:4135. MAJOR REPAIR ACCOMPLISHED AND VERIFIED.

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