# SDR AALA202211072087

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2022
- Submitted: November 7, 2022
- Operation: Air carrier
- Aircraft: [N858NN](https://openairdocs.org/aircraft/N858NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30904
- Aircraft time: 35,858 hours, 14,865 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 147A5660U22
- Condition: Corroded
- Location: Bs 978
- 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/AALA202211072087

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT PASSENGER CABIN RIGHT HAND DOOR FORWARD DRAIN SUPPORT INTERCOSTAL LOCATED AT BS 978 AND RBL 48. REPLACED INTERCOSTAL PER DWG 815A0010 AND AARD 51-00-05.

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