Service difficulty report · Relay · Boeing 757222

Difficulty date
August 7, 2004
Submitted
August 31, 2004
Operation
Air carrier
Aircraft
N528UA
Make and model
Boeing 757222
Aircraft serial
25018
Aircraft time
45,228 hours, 16,729 cycles
Engine
Pwa PW2037
Part
Relay
Part number
BACR13CF2AB
Condition
Failed
Location
Rt A/C Pack
Stage of operation
CR
How discovered
O
Nature of condition
G
Precautionary procedure
A

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

What was found

CABIN TEMPERATURE STUCK IN FULL HOT. RT PACK TEMP VLV WOULDN'T DRIVE COLD--RPL K56, REF WDM21-51-23 . VALVE WILL NOW DRIVE COLD.