Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
May 9, 2016
Submitted
May 13, 2016
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
8,469 hours, 2,739 cycles
Part
Actuator
Part number
676000141
Part serial
676000141584
Condition
Failed
Location
Ram Air
Part time
8,540 hours, 2,739 cycles
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 ILLUMINATES ON RECALL, EXTINGUISHES WITH RESET. ACFT GROUNDED. RIGHT PACK FAULTS SRADA INLET ACTUATOR. FAULT WILL NOT CLEAR. ACFT CHECKED AND RELEASED IAW MEL 21-5D, RT PACK RAM AIR SYS WITH SRADA INOPERATIVE. INSTALLED NEW RT RAM AIR INLET ACTUATOR REF AMM 21-51-21-400-801. PERFORMED OPS CK, GOOD. PERFORMED OPS CK ON BOTH FWD AND AFT RT RAM AIR DOOR ACTUATOR. BOTH OPS CHECKED GOOD REF AMM 21-51-21-400-801, 21-51-27-400-801. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE CHECK, NO FAULTS FOUND, REF AMM 21-61-00-700-806-002.