Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
February 27, 2017
Submitted
March 1, 2017
Operation
Air carrier
Aircraft
N486AS
Make and model
Boeing 737990ER
Aircraft serial
44107
Aircraft time
5,834 hours, 1,960 cycles
Part
Warning Light
Condition
False Activation
Location
Rt A/C Pack
Stage of operation
CL
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

RIGHT PACK LIGHT ILLUMINATED DURING CLIMBOUT OF 16,000FT. RAN PACK LIGHT CHECKLIST. PUSHED TRIP RESET SWITCH, BOTH PACK LIGHTS EXTINGUISHED. CONTINUED NORMAL OPS. ACFT GROUNDED. OPERATED RIGHT PACK, NO PACK LIGHT ILLUMINATES. ACCOMPLISHED GVI OF RIGHT RAM AIR DOOR, NO DEFECTS NOTED. ACCOMPLISHED BITE CHECK OF BOTH ZONE TEMP CONTROLLERS, NO FAULTS FOUND IAW FIM 21-53 TASK 806 AND AMM 21-61-00.