Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
May 26, 2018
Submitted
May 29, 2018
Operation
Air carrier
Aircraft
N478AS
Make and model
Boeing 737990ER
Aircraft serial
44105
Aircraft time
11,503 hours, 3,898 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
CR
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 ILLUMINATED, RAN CHECKLIST, UNABLE TO RESET SYSTEM. FLIGHT CONTINUED WITH RIGHT PACK OFF. GROUNDED - YES. ACCOMPLISHED CTC BITE FIM 21-61 TASK 801. FOUND EXIT ACTUATOR FAULT LOGGED ONE TIME. CLEARED FAULT. ACCOMPLISHED BITE FIM 21-61 TASK 801. NO FAULTS FOUND. PERFORMED RT A/C SYS OPS TEST REF AMM 21-00-00-800-801. SYS CKS NML.