Service difficulty report · Acm · Boeing 737990ER

Difficulty date
December 1, 2022
Submitted
December 12, 2022
Operation
Air carrier
Aircraft
N492AS
Make and model
Boeing 737990ER
Aircraft serial
44110
Aircraft time
25,959 hours, 8,150 cycles
Part
Acm
Part number
22064002
Part serial
11955
Condition
Inoperative
Location
Left
Part time
26,026 hours, 8,173 cycles
Stage of operation
TX
How discovered
O
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

CONT CAB ZONE TEMP CONTROLLER ILLUMINATED ON RECALL AFTER ENGINE START EXTINGUISHED WHEN RESET. GROUNDED - YES. AIR CYCLE MACHINE WAS REMOVED AND REPLACED ON LOG PAGE 60449025, RESET SYSTEM AND TESTED LH PACK CONTROLLER IAW AMM 21-61-00-700-806-002, ETOPS GROUND FUNCTIONAL CHECK GOOD. ORIG SUB DATE; 12/5/2022