SDR ASMF20180116002

Service difficulty report · Unknown · Boeing 7878

Difficulty date: November 10, 2017
Submitted: January 16, 2018
Operation: Air carrier
Aircraft: N964AM
Make and model: Boeing 7878
Aircraft serial: 35307
Aircraft time: 18,232 hours, 2,409 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Unknown
Condition: Leaking
Location: Hyd System
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

DURING TRANSIT CHECK, DETECTED A HYDRAULIC LEAK IN THE LEFT MAIN LANDING GEAR RETRACT ACTUATOR. MAINTENANCE PERFORM A PRESSURIZATION OF THE SYSTEM TO VERIFY THE LEAKS, DID NOT CONFIRM THE HYDRAULIC LEAK. AS A PRECAUTION, THE LEFT MAIN LANDING GEAR RETRACT ACTUATOR WAS REPLACED IAW AMM DMC-B787-A-32-32-01-00A-520A-A AND DMC-B787-A-32-32-01-00A-720A-A, TESTED CORRECT.

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