Service difficulty report · Warning Message · Boeing 737890

Difficulty date
September 8, 2017
Submitted
September 11, 2017
Operation
Air carrier
Aircraft
N535AS
Make and model
Boeing 737890
Aircraft serial
35200
Aircraft time
26,100 hours, 7,560 cycles
Part
Warning Message
Condition
False Activation
Location
Rt A/C Pack
Stage of operation
NR
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

RIGHT PACK LIGHT CAME ON DURING RECALL, EXTINGUISHED DURING MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROLLER BITE IAW FIM 21-62, TASK 801. FOUND TCV FAULT ON THE NR 2 PACK LAST LEG. VERIFIED TEST, NO CURRENT FAULTS. CLEARED FAULT, RT PACK OPS NORMAL.