Service difficulty report · Actuator · Boeing 7474B5F

Difficulty date
August 30, 2026
Submitted
September 2, 2026
Operation
Air carrier
Aircraft
N702CK
Make and model
Boeing 7474B5F
Aircraft serial
26411
Aircraft time
103,510 hours, 18,104 cycles
Part
Actuator
Part number
1U11986
Part serial
1372
Condition
Damaged
Location
Nlg
Part time
127,621 hours, 18,979 cycles
Stage of operation
CL
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

HYD PRESS SYS 1. FOUND NLG DOOR ACTUATOR RAM HOUSING BROKEN. REMOVED & REPLACED NLG DOOR ACTUATOR ASSEMBLY IAW AMM 32-34-14. SERVICED NR 1 HYD SYS. ALL CHECKS GOOD. NO DEFECTS NOTED. ALTN GEAR EXTEND. RESET P2-3 PANEL ALTN GEAR EXTEND SWITCHES IAW AMM 32-35-00. ALL CHKD GOOD. NO DEFECTS NOTED.

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