# SDR AALA202210054204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2022
- Submitted: October 5, 2022
- Operation: Air carrier
- Aircraft: [N852NN](https://openairdocs.org/aircraft/N852NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 40581
- Aircraft time: 36,012 hours, 14,913 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 147A5660U22
- Condition: Corroded
- Location: Bs 947-967 Rbl50
- 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/AALA202210054204

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CABIN FLOOR SUPPORT INTERCOSTAL LOCATED FROM BS 947 TO BS 967, AT RBL 50. REPLACED INTERCOSTAL PER EA 339080 AND AARD 51-00-05.

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