Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
June 25, 2016
Submitted
June 27, 2016
Operation
Air carrier
Aircraft
N479AS
Make and model
Boeing 737990ER
Aircraft serial
60576
Aircraft time
3,880 hours, 1,266 cycles
Part
Warning System
Condition
Activated
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

NR 2 PACK LIGHT ON RECALL AND EXTINGUISHES ON RESET. ACFT GROUNDED. RELEASED IAW MEL 21-32B, RT PACK PRIMARY TEMP CONTROL INOPERATIVE. BITE CHECKED NR 2 ZONE TEMP CONTROLLER, REF FIM 21-62, TASK 801. BITE GOOD, LAST FLIGHT FAULTED INLET SRADA ACTUATOR. FAULT CLEARS. RAN VERIFY TEST SEVERAL TIMES REF FIM 21-62, TASK 801, WITH NO DEFECTS NOTED. ETOPS GROUND VERIFICATION TEST SUCCESSFUL, MEL 21-32B CLEARED.