SDR COEA2009050201917

Service difficulty report · Pcu · Aerosp ATR42300

Difficulty date: May 2, 2009
Submitted: May 7, 2009
Operation: Air carrier
Aircraft: N917FX
Make and model: Aerosp ATR42300
Aircraft serial: 354
Aircraft time: 22,479 hours, 29,606 cycles
System (JASC): 6120 · Propeller Controlling System
Part: Pcu
Condition: Out Of Rig
Location: Nr 2
Stage of operation: CR
How discovered: O
Nature of condition: O
Precautionary procedure: A

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

What was found

AIR TURN BACK: ON FLIGHT 8202, CREW OBSERVED NR2 NP DID NOT RESPOND TO POWER LEVER ADJUSTMENT AND DID NOT HOLD 100 PERCENT NP ON APPROACH WITH POWER LEVER ANGLE BELOW 60 DEGREES. CREW ELECTED TO RETURN TO DEPARTURE FOR MX PURPOSES. AFTER TROUBLESHOOTING, MX RE-RIGGED HMU AND PCU. OPS CHECK GOOD AND ACFT RETURNED TO SERVICE.

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