Service difficulty report · Fuse · Boeing 747412F

Difficulty date
August 26, 2018
Submitted
August 27, 2018
Operation
Air carrier
Aircraft
N489MC
Make and model
Boeing 747412F
Aircraft serial
26553
Aircraft time
94,104 hours, 16,620 cycles
Part
Fuse
Part number
61882
Part serial
2981
Condition
Leaking
Location
Hydraulic Sys
Stage of operation
TX
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

EICAS 'HYD QTY LOW 1' IN CRUISE, 7:30 INTO FLIGHT. UPON LANDING INTO ANC AIRCRAFT HAD TO BE TOWED OFF OF RUNWAY DUE TO NO NR 1 HYDRAULIC SYSTEM AVAILABLE. INSPECTED AND FOUND LEFT HAND BODY GEAR TRUCK POSITIONING HYDRAULIC FUSE ASSEMBLY LEAKING. SERVICED NR 1 HYDRAULIC SYSTEM PER AMM 12-12-01. REMOVED AND REPLACED LEFT HAND BODY GEAR TRUCK POSITIONING HYDRAULIC FUSE PER AMM 32-13-24/401. LEAK CHECK GOOD. INSPECTED GEAR DOORS PER AMM 32-14-01, AND 32-14-02. NO DEFECTS NOTED.