Service difficulty report · Warning Light · Boeing 737890

Difficulty date
May 6, 2016
Submitted
May 9, 2016
Operation
Air carrier
Aircraft
N562AS
Make and model
Boeing 737890
Aircraft serial
35091
Aircraft time
37,185 hours, 11,072 cycles
Part
Warning Light
Condition
False Activation
Location
A/C Pack
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

WITH MASTER CAUTION RECALL INITIATED, FOLLOWING LIGHTS ILLUMINATED: MASTER CAUTION, AIR COND, "PACK" LIGHT ON PRESSURIZATION PANEL, LEFT PACK. MASTER CAUTION RESET SEES ALL LIGHTS EXTINGUISHED. ACFT GROUNDED. ACCOMPLISHED GROUND VERIFICATION OF "PACK TEMP CNTL" FOR LT PACK, FAULTED LEFT RAM AIR DOOR ACTUATOR, CLEARED FAULT, RAN TEST 2 MORE TIMES SUCCESSFULLY AND LT PACK LIGHT DID NOT ILLUMINATE ON OVERHEAD PANEL WITH MASTER CAUTION RECALL, REF FIM 21-62, TASK 801. MEL 21-32B, CLEARED.