Service difficulty report · Controller · Boeing 737890

Difficulty date
June 21, 2013
Submitted
June 25, 2013
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
26,836 hours, 7,921 cycles
Part
Controller
Condition
Malfunctioned
Location
Lt A/C Pack
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

ON RECALL OF MASTER CAUTION ILLUMINATION OF THE LT PACK LIGHT. MASTER CAUTION RESET LIGHT OUT. ACFT GROUNDED. PERFORMED ZONE TEMP CONTROLLER BITE TEST ON LT AND RT TEMP CONTROLLERS IAW AMM 21-61-00-700-806-002, OPS CHECKED GOOD, NO FAULTS NOTED.