SDR 6CBA2020033020191

Service difficulty report · Ecs · Pilats PC1247E

Difficulty date: March 26, 2020
Submitted: March 30, 2020
Operation: Air carrier
Aircraft: N715AF
Make and model: Pilats PC1247E
Aircraft serial: 1715
Aircraft time: 2,824 hours, 2,649 cycles
Engine: Pwc PT6A67P
Engine time: 2,821 hours, 2,646 cycles
System (JASC): 2120 · Air Distribution System
Part: Ecs
Condition: Contaminated
Location: Ac Bay
Stage of operation: CL
How discovered: O
Nature of condition: B
Precautionary procedure: A

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

What was found

PROBLEM: JUST AFTER TAKEOFF FROM KPDK, THE FLIGHT CREW REPORTED " BURNING SMELL IN COCKPIT, NO SMOKE OBSERVED. THE AIRCRAFT RETURNED FROM ITS DEPARTURE AIRPORT (KPDK) AND LANDED WITRHOUT INCIDENT. RESOLUTION: THE CONTRACT MAINTENANCE VENDOR OPERATED THE ECS SYSTEM ON HIGH HEAT TO CLEAR THE SMELL OF CORROSION INHIBITOR, C/W GROUND RUN TESTS 9,19,20 IAW AMM 12-BZ-71-00-00-00A-903A-A.