Service difficulty report · Valve · Boeing 737990ER

Difficulty date
January 17, 2016
Submitted
January 22, 2016
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
7,566 hours, 2,481 cycles
Part
Valve
Condition
Malfunctioned
Location
Cabin Temp
Stage of operation
TX
How discovered
9
Nature of condition
J
Precautionary procedure
O

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

What was found

AFTER PUSHBACK & UPON PERFORMING RECALL CHECK, CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED & EXTINGUISHES UPON MASTER CAUTION RESET. ACFT GROUNDED. R & R FLIGHT DECK TRIM VALVE IAW AMM 21-61-21.