Service difficulty report · Actuator · Boeing 74748EF

Difficulty date
March 26, 2025
Submitted
March 27, 2025
Operation
Air carrier
Aircraft
N419MC
Make and model
Boeing 74748EF
Aircraft serial
28367
Aircraft time
116,970 hours, 20,286 cycles
Part
Actuator
Part number
7428685
Part serial
92010906
Condition
Faulted
Location
Zone 100
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

PACK 2 EICAS (PACK 3 ALREADY DEFERRED).(<P>(ITEM 1 LP 1996448) - R & R PACK 2 RAM AIR EXIT DOOR ACTUATOR AND PERFORMED A&B GROUND TESTS, TESTS OKAY PER AMM 21-62-05/401. (ITEM 6 LP 1996449) ACCOMPLISHED DISTANCE CHECK ACTUATOR AND LIMIT SWITCH WITHIN RANGE PER AMM 21-62-12/401.</P>)

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