# SDR QXEA200700031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2007
- Submitted: January 17, 2007
- Operation: Air carrier
- Aircraft: N412QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4059
- Aircraft time: 13,057 hours, 13,089 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pressure Switch
- Condition: Unknown
- Location: Hyd System
- Part time: 1,178 hours, 1,047 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA200700031

## Discrepancy

BOI FLIGHT NR 2385: UPON PUSHBACK, FLAP POWER CAUTION LIGHT ILLUMINATED.  FLAP HANDLE MOVED TO 15 DEG BUT NO FLAP MOVEMENT INDICATED ON FLAP GAUGE.  RAN CHECKLIST, CAUTION LIGHT EXTINGUISHED.  THEN RE-ILLUMINATED AGAIN AFTER SELECTING FLAP HANDLE. MAINTENANCE INTEROGATED CDS.  FOUND HYD PRESS LOSS FAULT.  REMOVED AND REPLACED FPU PRESSURE SWITCH IAW DH8-400 TASK 27-52-01-400-802.  OPS CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.

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