Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
December 27, 2017
Submitted
December 29, 2017
Operation
Air carrier
Aircraft
N428AS
Make and model
Boeing 737990ER
Aircraft serial
36353
Aircraft time
7,175 hours, 2,386 cycles
Part
Actuator
Part number
676000141
Part serial
676000142480
Condition
Faulted
Location
Rt Ram Air
Part time
11,811 hours, 3,977 cycles
Stage of operation
NR
How discovered
V
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

RIGHT PACK LIGHT ILLUMINATED ON RECALL. LIGHT EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. ACFT GROUNDED. REMOVED AND REPLACED THE RT RAM AIR INLET ACTUATOR IAW AMM 21-51-21. PERFORMED AN OPS CHECKED GOOD. PERFORMED A BITE CHECK, BITE CHECKED GOOD, NO FAULTS. BOTH ACTUATORS GREEN.