SDR QXEA2015081700432

Service difficulty report · Bypass Valve · Bombdr DHC8402

Difficulty date: August 17, 2015
Submitted: August 21, 2015
Operation: Air carrier
Aircraft: N442QX
Make and model: Bombdr DHC8402
Aircraft serial: 4352
Aircraft time: 10,893 hours, 11,506 cycles
Engine: Pwc PW150A
Engine time: 28,900 hours, 30,580 cycles
System (JASC): 7930 · Engine Oil Indicating System
Part: Bypass Valve
Part number: D2887950C
Condition: Failed
Location: Nr 2 Oil System
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: E, A

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

What was found

ON CLIMB NR 2, OIL TEMP WAS AT 107, IAW CHECK LIST STARTED CLOCK AT 10 MINS TEMP WAS 121, IAW CK LIST, SHUTDOWN NR 2 ENGINE AND RETURN TO DEPARTURE. LANDING WEIGHT 61,900. LANDING UNEVENTFUL. REPLACED OIL COOLER BYPASS VALVE, MAIN & SCAVENGE FILTER + C/W OIL CHANGE. RETURNED TO SERVICE.