# SDR AALA202609309716

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2026
- Submitted: October 1, 2026
- Operation: Air carrier
- Aircraft: [N810NN](https://openairdocs.org/aircraft/N810NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33207
- Aircraft time: 50,249 hours, 21,326 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Part number: 147A8540U8
- 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/AALA202609309716

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: FILIFORM CORROSION ON RIGHT CREASE ANGLE FROM STATION 961 TO 986, RBL 54. MAINTENANCE COMPLETED INSTALLATION OF AFT RIGHT CREASE ANGLE AT STATION 961 TO 986, RBL 54, PART NUMBER 147A8540U8 PER BOEING DRAWING #147A8501 AND AARD 51-00-05-1.

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