Service difficulty report · Actuator · Boeing 737890

Difficulty date
February 8, 2019
Submitted
February 12, 2019
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35182
Aircraft time
46,254 hours, 13,844 cycles
Part
Actuator
Part number
5416744
Part serial
9083
Condition
Failed
Location
Lt Ram Air
Part time
57,482 hours, 21,015 cycles
Stage of operation
DE
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

LEFT PACK LIGHT ILLUMINATED ON RECALL DURING DESCENT. LIGHT OUT WITH "MASTER CAUTION" RESET. GROUNDED - YES. LEFT ZONE TEMP CONT LOGGED RAM AIR ACT FAULT, ACTUATOR R&R PER AMM 21-51-21, C/B'S PULLED/TAGGED & UNTAGGED/RESET (3). SYS OPS CKS NML PER SAME.