# SDR USAA2011021490712

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2011
- Submitted: February 17, 2011
- Operation: Air carrier
- Aircraft: [N422US](https://openairdocs.org/aircraft/N422US), registered now
- Make and model: Boeing 737401
- Aircraft serial: 23989
- Aircraft time: 59,748 hours, 39,898 cycles
- System (JASC): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- Part: Structure
- Part number: 6545871124
- Part serial: 1179
- Condition: Cracked
- Location: Service Door
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2011021490712

## Discrepancy

CLT - MAJOR REPAIR - Q1 CHECK - CRACKS ON FORWARD SERVICE DOOR AT NR 3 AND NR 4 STOP FITTINGS.  REPAIRED FORWARD SERVICE DOOR AT NR 3 AND NR 4 STOP FITTINGS IAW ENGINEERING AUTHORIZATION 102590.

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