# SDR USAA2013010400004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2013
- Submitted: January 4, 2013
- Operation: Air carrier
- Aircraft: N439US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24781
- Aircraft time: 59,175 hours, 40,713 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Control Valve
- Part number: 65446311
- Part serial: 1445
- Condition: Faulty
- Location: Te Flap
- Part time: 66,347 hours, 44,588 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2013010400004

## Discrepancy

ON APPROACH, CREW SELECTED FLAPS AND REPORTED NO LEADING OR TRAILING FLAPS.  ACCOMPLISHED ALTERNATE FLAPS LANDING.  FLIGHT LANDED WITHOUT INCIDENT.  MAINTENANCE VISUALLY INSPECTED FLAPS.  NO DEFECTS NOTED.  REPLACED T/E FLAP CONTROL VALVE PER AMM 27-51-79-404-006.  FLAP OP'S NORMAL.

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