Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
March 8, 2019
Submitted
March 11, 2019
Operation
Air carrier
Aircraft
N472AS
Make and model
Boeing 737990ER
Aircraft serial
60580
Aircraft time
15,572 hours, 5,095 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RIGHT PACK LIGHT ILLUMINATES DURING MASTER RECALL, EXTINGUISHES WITH RESET. GROUNDED - YES. ACCOMPLISHED BOTH PZTC BITE REF FIM 21-62 TASK 801. NO ACTIVE FAULTS FOUND. DUE TO HISTORY PERFORMED RAM AIR ACTUATOR TEST 3 TIMES. NO FAULTS LOGGED. PHYSICALLY LOOKED AT THE INLET ACTUATOR AND NO FAULTS ARE SHOWING ON IT. PERFORMED FIM 21-62 TASK 852. SYS CKS NML. CLEARS MEL 21-32B.