Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
April 4, 2018
Submitted
April 9, 2018
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
16,496 hours, 5,506 cycles
Part
Actuator
Part number
676000141
Part serial
676000141357
Condition
Faulted
Location
Lt Ram Air
Part time
16,541 hours, 5,522 cycles
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

L PACK ILLUMINATES ON RECALL - EXTINGUISHES WITH M/C RESET. ACFT GROUNDED. DUE TO HISTORY ON PREVIOUS FAULT. REMOVED AND REPLACED L PACK EXIT ACTUATOR ASSY IAW AMM 21-51-27. OPS CHECKED GOOD. PERFORMED PACK TEMP CONTROL BITE PROCEDURE IAW FIM 21-62 TASK 801. NO FAULTS FOUND.