SDR DALA2016051804035

Service difficulty report · Acm · Boeing 757351

Difficulty date: May 16, 2016
Submitted: May 19, 2016
Operation: Air carrier
Aircraft: N581NW
Make and model: Boeing 757351
Aircraft serial: 32982
Aircraft time: 48,983 hours, 16,527 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Acm
Condition: Odor
Location: Left
Stage of operation: TX
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

FUME, RETURNED TO GATE FOR UNUSUAL ODOR. NOTICED LT PACK TEMPERATURE HIGH AND FLIGHT DECK DUCT TEMPERATURE REACHED 173 DEGREES. TURNED OFF LT PACK AND ODOR DISSIPATED. FOUND AUTO EVENT MESSAGE LEFT PACK TEMP AND LT AIR CYCLE MACHINE SEIZED. APPLIED MEL 21-51-01. PLACARD INSTALLED. R & R AIR CYCLE MACHINE IAW AMM 21-51. OPS CHECK GOOD. OK FOR SERVICE. MCO AND PLACARD REMOVED.