Service difficulty report · Actuator · Boeing 737900ER

Difficulty date
September 26, 2022
Submitted
September 28, 2022
Operation
Air carrier
Aircraft
N407AS
Make and model
Boeing 737900ER
Aircraft serial
41731
Aircraft time
36,944 hours, 11,552 cycles
Part
Actuator
Part number
5416744
Part serial
8712
Condition
Warning Light
Location
Ram Air Inlet
Part time
778 hours, 240 cycles
Stage of operation
TX
How discovered
V
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

#1 PACK LIGHT ILLUMINATED AFTER ENG STARTED PACK LIGHT CLEARS AFTER MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. REPLACED LH RAM INLET ACTUATOR REF B737-900 AMM 21-51-21.

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