Service difficulty report · Controller · Boeing 737990ER

Difficulty date
February 6, 2019
Submitted
February 9, 2019
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
21,269 hours, 6,977 cycles
Part
Controller
Condition
Faulted
Location
Nr 2
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

WITH RECALL PRESS TO TEST, RIGHT PACK REMAINED ILLUMINATED. LIGHT GOES OUT W/ RESET. GROUNDED - YES. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST. NR 1 CONTROLLER BITE TEST PASSED NO DEFECTS NOTED. NR 2 CONTROLLER SHOWED 1 FAULT SRADA EXIT ACTUATOR WAS ABLE TO RESET. RAN BIT TEST AGAIN NR 2 CONTROLLER TEST PASSED NO FAULTS NOTED. REF AMM 21-61-00-700-806-002. PUSHED RECALL TEST RIGHT PACK OP'S CK NORMAL.