SDR QXEA2009072700553

Service difficulty report · Flap · Bombdr DHC8402

Difficulty date: July 21, 2009
Submitted: July 27, 2009
Operation: Air carrier
Aircraft: N404QX
Make and model: Bombdr DHC8402
Aircraft serial: 4046
Aircraft time: 20,568 hours, 20,997 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap
Condition: Malfunctioned
Location: Wing
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

PSC - FLAP POWER CAUTION WHEN FLAPS SELECTED TO 5 DEG. FLAPS STUCK AT 0 DEG. UNABLE TO RESET PER E/A CHECKLIST. RETURNED TO FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. INSPECTED CDS FOUND CURRENT FAULT "ECU CONTINUOUS BIT" ON FLAP PAGE, REF FIM TASK 27-50-00-810-802. C/W FIM TASK 27-50-00-810-807, ERASED CDS FLAP NVM. C/W OP TEST OF WING FLAPS IAW AMM 27-50-00-710-801. OP CHECKS GOOD. FAULT CODE REMAINED CLEARED. RETURNED TO SERVICE. NO PARTS REPLACED.