SDR UIEA2013121100594

Service difficulty report · Controller · Boeing 767277

Difficulty date: December 11, 2013
Submitted: December 12, 2013
Operation: Air carrier
Aircraft: N767MW
Make and model: Boeing 767277
Aircraft serial: 22694
Aircraft time: 53,236 hours, 37,386 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Controller
Condition: Malfunctioned
Location: Ac Bay
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: H

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

What was found

AFTER ENG START EICAS MESSAGE L PACK TEMP RECEIVED, RAN CHECKLIST AS REQUIRED. PERFORMED BITE ON LT PACK CONTROLLER, FAULTED RAM EXHAUST ACTUATOR, RESET LT PACK CONTROLLER & PERFORMED TEST ON LT PACK EXHAUST ACTUATOR IAW AMM 21-53-02, OPERATION IS NORMAL. AFTER TEST, PERFORMED ANOTHER BITE OF LT PACK CONTROLLER, NO FAULTS PRESENT.