# SDR AALA202609046969

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2026
- Submitted: September 4, 2026
- Operation: Air carrier
- Aircraft: [N958NN](https://openairdocs.org/aircraft/N958NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31203
- Aircraft time: 35,278 hours, 14,809 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 147A57101
- 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/AALA202609046969

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE:  FOUND EXFOLIATION CORROSION ON CABIN FLOOR STRUCTURE Z ANGLE AT FS 992 LBL-33. REMOVED AND REPLACED Z ANGLE IAW BOEING DWG 147A5700 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.