SDR CALA2013123194072

Service difficulty report · Sensor · Boeing 757222

Difficulty date: December 31, 2013
Submitted: January 2, 2014
Operation: Air carrier
Aircraft: N548UA
Make and model: Boeing 757222
Aircraft serial: 25396
Aircraft time: 83,124 hours, 23,875 cycles
Engine: Pwa PW2037
System (JASC): 2150 · Cabin Cooling System
Part: Sensor
Condition: Faulty
Location: Ac Bay
Stage of operation: IN
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

FWD CABIN COLDER THAN SELECTED WITH SWITCH ON & TEMP CONTROL IN AUTO. REPLACED COMP OUTLET SENSOR NR 2 ON PACK 2. OPERATIONS CHECKED OK. ALSO CLEANED COCKPIT TEMP SENSOR, FWD & AFT. RAN PACK & HAD CONTROL THRU OUT CABIN. DEF TEMP CONTROL.