What was found
NR 2 PROP FAILS TO UNFEATHER WITH FEATHER PUMP (PROP MTX UNFEATHER(S) INOP). REMOVED FROM SERVICE. PLACED ON MEL 61-20-1. NOTE: PROP FEATHERS AND UNFEATHERS NORMALLY WITH ENGINES RUNNING. AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- January 11, 2019
- Submitted
- January 11, 2019
- Operation
- Air carrier
- Aircraft
- N437QX
- Make and model
- Bombdr DHC8402
- Aircraft serial
- 4240
- Aircraft time
- 22,056 hours, 23,632 cycles
- System (JASC)
- 6123 · Propeller Feathering/Reversing
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Feather System
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.