Service difficulty report · Acm · Boeing 757222

Difficulty date
March 11, 2012
Submitted
March 15, 2012
Operation
Air carrier
Aircraft
N547UA
Make and model
Boeing 757222
Aircraft serial
25368
Aircraft time
75,790 hours, 22,106 cycles
Engine
Pwa PW2037
Part
Acm
Part number
6806404
Part serial
14
Condition
Faulty
Location
Ac Bay
Stage of operation
TX
How discovered
O
Nature of condition
B
Precautionary procedure
H

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

What was found

ACRID SMELL IN COCKPIT, ABORTED T/O. WT 221K SPEED 125 KNOTS; ACCOMPANIED BY GRINDING NOISE. ACCOMPLISHED WHEEL AND BRAKE INSPECTION CHECK. HIGH ENERGY STOP INSPECTION 'CAUTION RANGE', CKS OK PER AMM. SMELL IN COCKPIT AND GRINDING NOISE COVERED IN LOG 2. COCKPIT GOT VERY HOT. L PACK INOP. SHUT OFF PACK AND TEMP RETURNED NORMAL. REPLACED LEFT ACM PER MM, OPS CHECK NORMAL.