SDR NSV2008F00026

Service difficulty report · Condition Lever · Bombdr DHC8402

Difficulty date: September 18, 2008
Submitted: October 17, 2008
Operation: Air carrier
Aircraft: N187WQ
Make and model: Bombdr DHC8402
Aircraft serial: 4187
System (JASC): 7602 · Mixture Control
Part: Condition Lever
Condition: Malfunctioned
Stage of operation: CL
How discovered: O
Nature of condition: R, J
Precautionary procedure: A

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

What was found

DURING INITIAL CLIMB PEC NR 1 AND NR 2 CAUTION LIGHT ILLUMINATED AFTER INADVERTENT MOVEMENT OF CONDITION LEVERS PAST 850 MIN POSITION. CONDITION LEVERS IMMEDIATELY RESET TO 850, PROP RPM REMOVED STEADY AT 1060 THROUGH REMAINDER OF FLIGHT. RETRIEVED FADEC CODE IAW Q400-AMM 45-00-79-742-801 FAULT CODES SET NR1 FADEC 260, 236, NR 2 FADEC 280, 236 DETERMINED DUE TO CONDITION LEVERS DROPPED BELOW MIN 850. CLEARED FAULT CODES IAW Q400 AMM 45-00-73-743-801. POWERPLANT MESSAGE DEILLUMINATED. (K)