Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
December 25, 2017
Submitted
December 27, 2017
Operation
Air carrier
Aircraft
N440AS
Make and model
Boeing 737990ER
Aircraft serial
41705
Aircraft time
16,627 hours, 5,514 cycles
Part
Warning Light
Condition
Illuminated
Location
Rt 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

RT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. ACCOMPLISHED BITE OF PACK-ZONE TEMP CONTROLLERS. BITE SWITCH ON RIGHT PZTC FAULTS SRADA INLET IAW FIM 21-62, TASK 801. ACCOMPLISHED FIM 21-62 TASK 852 CYCLED POWER TO RIGHT SRADA. RAN VERIFY TEST ON RIGHT PZTC. "GO" LIGHT ON. RESET RIGHT PZTC. GROUND VERIFICATION SUCCESSFUL.