# SDR USAA2013120200004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2013
- Submitted: December 2, 2013
- Operation: Air carrier
- Aircraft: N452UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24979
- Aircraft time: 61,395 hours, 40,057 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Part number: 654580115
- Condition: Corroded
- Location: Nlg Ww
- 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/USAA2013120200004

## Discrepancy

C6 CHECK CORROSION FOUND ON U CHANNEL SUPPORT FOR NLG DOOR STOP AT APPROXIMATELY BS 219.8, RBL 4.  REPLACED LOWER CHORD AT BS 219.8, RBL 4 IAW B737 SRM 53-10-08-2R-13.

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