# SDR AALA202208315999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2022
- Submitted: August 31, 2022
- Operation: Air carrier
- Aircraft: [N850NN](https://openairdocs.org/aircraft/N850NN), registered now
- Make and model: Boeing 737
- Aircraft serial: 40580
- Aircraft time: 35,969 hours, 14,768 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 141A56901
- Condition: Corroded
- Location: Zone 200 - Fuse
- 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/AALA202208315999

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN LEFT HAND FORWARD ENTRY WAY INTERCOSTAL LOCATED FROM BS 294 TO BS 312, AT LBL 12. REPLACED INTERCOSTAL PER EA 262679, DWG 141A5600 AND AARD 51-00-05.

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