Service difficulty report · Control Valve · Boeing 737890

Difficulty date
January 16, 2013
Submitted
January 18, 2013
Operation
Air carrier
Aircraft
N529AS
Make and model
Boeing 737890
Aircraft serial
35198
Aircraft time
11,081 hours, 3,449 cycles
Part
Control Valve
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

LT PACK LIGHT ILLUMINATES ON RECALL. RESETS WITH MASTER CAUTION RESET. TESTED LT PACK TCV LOGGED AS A FAULT. CLEARED FAULT AND RE-TESTED IAW AMM 21-61-00. NO FAULTS INDICATED. RAN LT PAC WITH NO PROBLEMS OR FAULTS. NO FAULT HISTORY FOR THE LT SYS WITHIN THE PAST 30 DAYS.