# SDR AALA20181211003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2018
- Submitted: December 12, 2018
- Operation: Air carrier
- Aircraft: [N914NN](https://openairdocs.org/aircraft/N914NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31161
- Aircraft time: 18,792 hours, 7,724 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 147A56603
- Condition: Corroded
- Location: Fuselage
- 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/AALA20181211003

## Discrepancy

AIRCRAFT WAS IN BASE MAINTENANCE. CORROSION FOUND ON INTERCOSTAL IN THE AFT CABIN WET AREA SUBFLOOR STA 947, LBL 24. REPLACED INTERCOSTAL PER 51-00-05-1 AND AIRCRAFT PRINT 147A5660, ID 055.

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