# SDR USAA2012100500010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2012
- Submitted: October 8, 2012
- Operation: Air carrier
- Aircraft: N418US
- Make and model: Boeing 737401
- Aircraft serial: 23985
- Aircraft time: 63,383 hours, 42,393 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Intercostal
- Condition: Corroded
- Location: Fuselage
- 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/USAA2012100500010

## Discrepancy

C3 CHECK - BULKHEAD INTERCOSTAL CORRODED AT BS 227.8  AND BL 0.  REMOVED AND REPLACED INTERCOSTAL IAW B737 DRAWINGS 69-38740 & 6545801-512 AND B737 SRM 53-10.

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