SDR CALA2011072600511

Service difficulty report · Unknown · Boeing 757224

Difficulty date: July 26, 2011
Submitted: July 26, 2011
Operation: Air carrier
Aircraft: N12116
Make and model: Boeing 757224
Aircraft serial: 27558
Aircraft time: 64,855 hours, 13,959 cycles
System (JASC): 2120 · Air Distribution System
Part: Unknown
Condition: Odor
Stage of operation: DE
How discovered: O
Nature of condition: B
Precautionary procedure: K

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

What was found

DURING DESCENT TURNED ON ENG A/I FOLLOWED BY EXTREME ELECTRICAL BURNING SMELL (NO SMOKE). TURNED OFF ENG A/I AND WINDOW HEAT (PRECAUTIONARY MEASURE WITH NO FURTHER SMELL ( IT TOOK 15 MINS TO CLEAR). OPEN ENG COWLS VISUALLY CHECK EXAMPLE BAY DID ENG RUN UP ON BOTH ENG RAN ANTI ICE VALVE & WINDOW HEAT PER 71-00-00 M&M FOUND ALL WORKING NORMAL AT THE MOMENT DID CHANGE RECIRC FILTERS THAT WERE FOUND DIRTY PER 21-25-02, OK TO CONTINUE.