Service difficulty report · Swivel · Boeing 75733N

Difficulty date
July 3, 2026
Submitted
July 6, 2026
Operation
Air carrier
Aircraft
N77871
Make and model
Boeing 75733N
Aircraft serial
33526
Aircraft time
62,262 hours, 18,161 cycles
Part
Swivel
Condition
Damaged
Location
Tail Skid
Stage of operation
AP
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

LEFT HYDRAULIC FAILURE ON APPROACH. HYD QTY AT .14 FOUND FLEX HYDRAULIC LINE DAMAGED AND HAS COME OFF FROM TAIL SKID LINEAR ACTUATOR. SEE PIC. FOUND THAT FWD SWIVEL JOINT ON THE ACTUATOR CAME APART. REPLACEMENT SWIVEL JOINT AND O-RING REQUIRED. REMOVED AND REPLACED FWD SWIVEL JOINT ON TAIL SKID LINEAR ACTUATOR PER AMM 32-71-04, NO LEAKS NOTED DURING OPS TEST OF THE TAIL SKID. SERVICED LT HYD SYS BACK TO FULL & PRESSURIZED RESERVOIR IAW AMM 29-11-00-862-033 AND 12-12-01-613-015. PREFORMED HYDRAULIC SYSTEM BLEEDING IAW AMM 29-11-00-870-801 DURING BLEEDING PROCEDURE INSPECTED FOR ANY ADDITIONAL HYDRAULIC LEAKS NONE FOUND AT THIS TIME, FLUID LEVEL STAYED STABLE DURING BLEEDING PROCEDURE.

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