# SDR QXEA2020081000236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2020
- Submitted: August 11, 2020
- Operation: Air carrier
- Aircraft: N400QX
- Make and model: Bombdr DHC8402
- Aircraft time: 43,855 hours, 46,531 cycles
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Pec
- Part number: 699018003
- Condition: Malfunctioned
- Location: Nr 2 Propeller
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2020081000236

## Discrepancy

UPON C/W FUNCTIONAL TEST OF THE PEC CALIBRATION PROCEDURE PER AMM 61-20-36-720-802, NR2 PROP FAILED TO UNFEATHER PER PARA 4 A3(D).  INTERROGATED CDS WITH NO FAULTS FOUND. SUCCESSFULLY PERFORMED FUNCTIONAL TEST FOR THE PEC CALIBRATION PROCEDURE IAW AMM 61-20-36-720-801.  NR 2 PROP UNFEATHERED PROPERLY. ALSO COMPLIED WITH  MTC 6710006. ALL CHECKED GOOD, NO FAULTS IN CDS.

---
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.