Service difficulty report · Hose · Boeing 767322

Difficulty date
July 22, 2025
Submitted
July 25, 2025
Operation
Air carrier
Aircraft
N653UA
Make and model
Boeing 767322
Aircraft serial
25391
Aircraft time
127,371 hours, 19,523 cycles
Part
Hose
Part number
AS11506K0430
Condition
Damaged
Location
Zone 700
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

HYD C QUAN LOW HEAVY HYDRAULIC LEAK FOUND AT CENTER SYSTEM C1 ELEC PUMP PRESSURE FLEX HOSE B-NUT SWAGING AT THE PUMP HOUSING. REQUIRED PART IAW IPC 29-11-02-02 ITEM 150 P/N AS115-06D0130 OR AS115-06K0130 PLEASE SHIP THE DAMAGED REMOVED HYDRAULIC HOSE. ACMP CENTER HYD.PUMP NO 1 HOSE ASSY REPLACED P/N AS115-06K0430 IAW AMM 29-11-02/401 AT THE LEAK CHECK FOUND SUSPECTED LEAK CLOUDY FUMES COMING OUT FROM THE NO 1 CENTER HYD PUMP HOUSING. INSTALLED PUMP: VICKERS P/N 731966 BOE P/N S270T201-7 IPC REF 29-11-02-01 FURTHER INVESTIGATION , HYD LEAK TRACED TO PRESSURE HOSE REDUCER OF ACMP C1, REPLACED DAMAGED O-RING AND HYD LEAK CHECK CARRIED OUT WITH OPERATING C1 PUMP FOR 10 MINS. NO FURTHER LEAK NOTED AS PER AMM 29-11-00-862-013