# SDR AALA202610143570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2026
- Submitted: October 15, 2026
- Operation: Air carrier
- Aircraft: [N819NN](https://openairdocs.org/aircraft/N819NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31083
- Aircraft time: 49,788 hours, 21,223 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floorbeam
- Part number: 147A5710U2
- 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/AALA202610143570

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE:  AFT CABIN WET AREA PASSENGER FLOOR STRUCTURE UPPER SURFACE AT STA 986 RBL 32 ZEE ANGLE THAT RUNS IB TO OB IB END CORRODED.  REMOVED AND REPLACED WALL SUPPORT IAW SRM 51-40-02-0G AND SRM 53-70-51-01-1.

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