Service difficulty report · Actuator · Boeing 7478F

Difficulty date
November 25, 2023
Submitted
November 27, 2023
Operation
Air carrier
Aircraft
N626UP
Make and model
Boeing 7478F
Aircraft serial
65781
Aircraft time
10,335 hours, 1,605 cycles
Part
Actuator
Part number
65B0153910
Part serial
TASV0167
Condition
Unknown
Location
Rh Wing Only.1
Stage of operation
CL
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

*ATB* *PAN PAN* €˜GEAR DISAGREE€™ MSG . RIGHT WING GEAR DID NOT RETRACT. €˜AIR TURN BACK€™. PERFORMED RII. PERFORMED RH WG TRUCK POSITIONING ACTUATOR R/R PER AMM 32-11-20/401, LEAK CHK SATIS. ALSO R/R PROX SWITCH ELECTRONIC UNIT PER AMM 32-09-03/401, PSEU GROUND TEST PASS. ACCOMPLISHED ALL GEAR/DOOR RETRACTION/EXTENSION PER AMM 32-32-00/32-33-00/32-34-00 PB 501, LANDING GEAR/DOORS OPERATED NORMALLY. CMC MONITORED WHILE PERFORMING GEAR SWING, NIL FAULT/MSG NOTED. AIRCRAFT DEJACKED PER AMM 07-11-01/201.

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