# SDR AALA202610216494

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2026
- Submitted: October 21, 2026
- Operation: Air carrier
- Aircraft: [N959NN](https://openairdocs.org/aircraft/N959NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33329
- Aircraft time: 35,773 hours, 14,920 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support Angle
- Part number: 111A1322U9
- 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/AALA202610216494

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CENTER AND OUTBOARD WING LOWER SURFACE AT STATION 663 28+7 35 LEFT BUTT LINE HAS CRACK. MAINTENANCE ACCOMPLISHED FINAL INSTALLATION OF THE LEFT-HAND 663 VAPOR BARRIER UPPER ATTACH ANGLE FUEL TANK FASTENERS PER AARD CHAPTER 51-00-05-1, AND BOEING DRAWING 111A1000.

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