# SDR AALA202508281925

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2025
- Submitted: August 28, 2025
- Operation: Air carrier
- Aircraft: [N972AN](https://openairdocs.org/aircraft/N972AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30097
- Aircraft time: 67,795 hours, 28,668 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 141A813144
- 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/AALA202508281925

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION TO INTERCOSTAL LOCATED FROM BS 312 TO BS 344 AT S21L. REPLACED INTERCOSTAL PER AARD 51-00-05-1.

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