Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
December 24, 2017
Submitted
December 26, 2017
Operation
Air carrier
Aircraft
N474AS
Make and model
Boeing 737990ER
Aircraft serial
40715
Aircraft time
10,004 hours, 3,289 cycles
Part
Warning Light
Condition
False Activation
Location
Rt A/C Pack
Stage of operation
NR
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. FOLLOWED QRH 2.12 COULD NOT RESET PACK. ACFT GROUNDED. RAN SYSTEM FOR 30 MINUTES COULD NOT DUPLICATE FAULT.