# SDR AALA202608260870

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2026
- Submitted: August 27, 2026
- Operation: Air carrier
- Aircraft: [N809NN](https://openairdocs.org/aircraft/N809NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33519
- Aircraft time: 50,197 hours, 21,258 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- 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/AALA202608260870

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: FORWARD CARGO, LEFT TRANSITION PANEL HAS GALVANIC CORROSION BETWEEN STATION 500A TO 500B, LEFT BUTT LINE 24. MAINTENANCE REPLACED TRANSITION PANEL AT STATION 500A TO 500B, LEFT BUTT LINE 24 PER AARD 51-00-05-1 AND BOEING DRAWING # 143A7500.

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