# SDR QXEA2010101300596

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2010
- Submitted: October 13, 2010
- Operation: Air carrier
- Aircraft: N423QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4153
- Aircraft time: 8,776 hours, 9,548 cycles
- Engine: Pwc PW150A
- Propeller: Dowty R4086123F17
- System (JASC): [6122 · Propeller Governor](https://openairdocs.org/jasc/6122)
- Part: Governor
- Part number: 697072004
- Part serial: DAP0097
- Condition: Malfunctioned
- Location: Propeller
- Part time: 20,009 hours, 20,658 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2010101300596

## Discrepancy

AFTER START, WHEN CONDITION LEVERS ADVANCED TO 1020, PROP NR2 DID NOT ADVANCE OR COME OUT OF START AND FEATHER.  AFTER 90 SECONDS,PLACED THE NR2 CONDITION LEVER TO START & FEATHER FOR 1 MIN.  THEN ADVANCED TO 1020, THE PROP TOOK APPROX 45 SECONDS. 2ND ATTEMPT PROP TOOK APPROX 45 SECONDS TO UNFEATHER. RETURNED CONDITION LEVER TO START & FEATHER FOR 1 MINUTE.  ON 3RD ATTEMPT, PROP UNFEATHERED IN APPROX 30 SECONDS. INTERROGATED CDS & FOUND NO FAULT CODES. R & R OVERSPEED GOVERNOR IAW AMM 61-20-26 PGS 401-411. LEAK CK & OPS CK GOOD. C/W H/S 61-0038. NR2 ENG UNFEATHERS IN 15 SECONDS. RETURNED TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.