# SDR AALA202210216301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2022
- Submitted: October 21, 2022
- Operation: Air carrier
- Aircraft: [N854NN](https://openairdocs.org/aircraft/N854NN), registered now
- Make and model: Boeing 737
- Aircraft serial: 33214
- Aircraft time: 36,150 hours, 14,992 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 147A5660U21
- 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/AALA202210216301

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CABIN INTERCOSTAL LOCATED FROM BS 947 TO BS 967 AT LBL 50. REPLACED INTERCOSTAL PER SRM 53-70-51-2- R5.

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