What was found
RETURNED TO THE GATE DUE TO AN UNCOMMANDED AUTOFEATHER OF NR 1 ENGINE. MEL'D AUTOFEATHER SYSTEM AFTER VERIFYING IT WAS AT FAULT. 7/21 MAINTENANCE REPLACED TSCU, OPS CHECKED GOOD.
- Difficulty date
- July 21, 2004
- Submitted
- October 5, 2004
- Operation
- Air carrier
- Aircraft
- N987HA
- Make and model
- Dhav DHC8201
- Aircraft serial
- 425
- Aircraft time
- 20,528 hours, 23,436 cycles
- Engine
- Pwa PW123D
- Propeller
- Hamstd 14SF23
- System (JASC)
- 6120 · Propeller Controlling System
- Part
- Control Unit
- Part number
- 30005000056
- Part serial
- 1108
- Condition
- Failed
- Location
- Nr 1 Engine
- Part time
- 791 hours, 759 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.