Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
February 22, 2016
Submitted
February 24, 2016
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
9,207 hours, 3,027 cycles
Part
Actuator
Part number
676000141
Part serial
67600014588
Condition
Failed
Location
Ram Air
Part time
8,596 hours, 2,821 cycles
Stage of operation
CR
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

AT 36,000 LT PACK LIGHT ILLUMINATED. COMPLIED WITH QHR PROCEDURE LIGHT, ILLUMINATED ON MASTER CAUTION RECALL. ACFT GROUNDED. NR 1 PACK/ZONE TEMP CONTROL FAULTS, SRADA EXIT. REMOVED LT RAM AIR ACTUATOR REF AMM 21-51-21-000-801, INSTALLED ACTUATOR REF AMM 21-51-21-400-801, STEPS G1 AND G2. ACCOMPLISHED BOND CHECK WITHIN LIMITS. FINISHED RAM AIR ACTUATOR INSTALL REF AMM 21-51-21. COMPLETED RAM AIR ACTUATOR TEST IAW SAME REF ACFT RETURN TO SERVICE.