# SDR AALA202610058477

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2026
- Submitted: October 6, 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: Floor Support
- Part number: 141A5410U140I
- Condition: Cracked
- 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/AALA202610058477

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: RH FWD WET AREA STRUCTURE SUPPORT CHANNEL ON STA 312 TO 328 HAS CRACKS DOT 42. MAINTENANCE REMOVED AND REPLACED INTERCOSTAL IAW B737-NG SRM 51-40-02-0G, 51-40-05-0G, AND AIPC 53-42-00-59D.

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