# SDR AALA202607292898

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2026
- Submitted: July 30, 2026
- Operation: Air carrier
- Aircraft: [N904AN](https://openairdocs.org/aircraft/N904AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29506
- Aircraft time: 71,361 hours, 29,891 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- 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/AALA202607292898

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CABIN AFT WET AREA R-2 CREASE ANGLE HAS FILFORM CORROSION AT STA 967 TO STA 986, RBL 47. MAINTENANCE REPLACED CREASE ANGLE AT STA 967 TO STA 986, RBL 47 PER BOEING DRAWING 147A850 AND AARD 51-00-05-1.

---
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.