Service difficulty report · Warning Light · Boeing 737890

Difficulty date
February 8, 2016
Submitted
February 10, 2016
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
27,039 hours, 8,084 cycles
Part
Warning Light
Condition
False Activation
Location
Lt A/C Pack
Stage of operation
NR
How discovered
9
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

ON RECALL LT PACK LIGHT ILLUMINATED. ACFT GROUNDED. NR 1 TEMP CONTROLLER SHOWS RAM AIR ACT FAULT ON BITE TEST ONLY. LAST FLT & VERIFY TESTS PASS. RESET FAULT. FAULT DID NOT RETURN. BITE TEST NR 1 CONTROLLER GOOD. REF AMM 21-62, TASK 837. ACFT GROUND VERIFICATION GOOD.