Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
March 2, 2017
Submitted
March 6, 2017
Operation
Air carrier
Aircraft
N492AS
Make and model
Boeing 737990ER
Aircraft serial
44110
Aircraft time
4,953 hours, 1,703 cycles
Part
Warning Light
Condition
False Activation
Location
Lt A/C Pack
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

LEFT PACK LIGHT ILLUMINATED DURING RECALL. ACFT GROUNDED. BITE CHECK OF BOTH PACK TEMPERATURE CONTROLLERS SHOWS SRADA INLET FAULT ON NR 1 CONTROLLER, IAW FIM 21-62 TASK 801. FAULT CLEARED AFTER RESET AND DID NOT COME BACK ON. PERFORMED FIM 21-53 TASK 807, ALL OPS NORMAL.