# SDR AALA202508280958

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2025
- Submitted: August 28, 2025
- Operation: Air carrier
- Aircraft: [N974AN](https://openairdocs.org/aircraft/N974AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30098
- Aircraft time: 67,504 hours, 28,684 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 147A85408
- 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/AALA202508280958

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON R2 ENTRY LOWER SILL INNER CHORD (CREASE ANGLE) LOCATED AT BS 963, RBL 55. REPLACED CHORD PER 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.