# SDR SWAA2012043003543

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2012
- Submitted: May 1, 2012
- Operation: Air carrier
- Aircraft: N662SW
- Make and model: Boeing 737-3Q8
- Registry model: [Boeing 737-3Q8](https://openairdocs.org/model/boeing-737-3q8) (OpenAirDocs)
- Aircraft serial: 23255
- Aircraft time: 81,236 hours, 65,937 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Power Unit
- Part number: 569670
- Part serial: 662P
- Condition: Faulty
- Location: E&E Bay
- Stage of operation: UK
- 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/SWAA2012043003543

## Discrepancy

DECLARED EMERGENCY -- NO FLAP EXTENSION WHEN FLAP HANDLE MOVED TO FLAPS 5.  FOLLOWING QRH WHEN ALT FLAP SWITCH WAS MOVED TO DOWN POS THE "ALT T/E FLAP DRIVE AC" CIRCUIT BREAKER POPPED.  REMOVED AND REPLACED FLAP MOTOR HYD POWER UNIT PER MM.

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