Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
February 1, 2015
Submitted
February 5, 2015
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
3,628 hours, 1,179 cycles
Part
Warning Light
Condition
False Activation
Location
Rt A/C Pack
Stage of operation
CR
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

RT PACK LT ILLUMINATED AT FL 280. QRH PROCEDURES COMPLETED. PACK LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. COULD NOT DUPLICATE, NO HISTORY 90 DAYS. OPERATED RT PACK ON THE GROUND, ACCOMPLISHED ZONE TEMP CONTROL BITE, NO FAULTS FOUND.