# SDR AALA202508189019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2025
- Submitted: August 18, 2025
- Operation: Air carrier
- Aircraft: [N974AN](https://openairdocs.org/aircraft/N974AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30098
- Aircraft time: 67,504 hours, 28,684 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 143A7501U187
- 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/AALA202508189019

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION TO FORWARD CARGO COMPARTMENT CHANNEL LOCATED FROM BS 500C TO BS 500I AT LBL 18.  REPLACED CHANNEL PER AARD 51-00-05-1.

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