Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
June 3, 2017
Submitted
June 5, 2017
Operation
Air carrier
Aircraft
N493AS
Make and model
Boeing 737990ER
Aircraft serial
41727
Aircraft time
4,345 hours, 1,461 cycles
Part
Warning Light
Condition
False Activation
Location
A/C Packs
Stage of operation
NR
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

DURING MASTER RECALL LEFT & RIGHT PACK ILLUMINATED BOTH LIGHTS WENT OUT AFTER RESET. ACFT GROUNDED. PERFORMED PACK TEMP CONT BITE, IAW FIM 21-62 TASK 801. NO CURRENT FAULTS, SRADA FAULT (IN PREV) ON BOTH, VERIFY GREEN ON BOTH. RESET AND RE-VERIFIED, FAULT DID NOT RETURN.