# SDR AALA202107136107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2021
- Submitted: July 13, 2021
- Operation: Air carrier
- Aircraft: [N993NN](https://openairdocs.org/aircraft/N993NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33340
- Aircraft time: 14,956 hours, 5,981 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Condition: Corroded
- Location: Bs 500c-500h
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202107136107

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION FOUND ON TRANSITION PANEL LOCATED FROM 500C TO 500H, WATERLINE 360, BUTT LINE 540. INSTALLED ZEE ANGLE CHANNEL ASSEMBLY PER SRM 51-40-02.

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