Service difficulty report · Manifold · Doug MD11F

Difficulty date
August 23, 2025
Submitted
August 27, 2025
Operation
Air carrier
Aircraft
N264UP
Make and model
Doug MD11F
Aircraft serial
48800
Aircraft time
93,611 hours, 19,394 cycles
Part
Manifold
Part number
AYG70555519
Part serial
F122017
Condition
Broken
Location
Hyd System
Stage of operation
CR
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

EMERGENCY DECLARED, DIVERSION, LVL 2 HYD 3 FAIL. STARTED HYD 3 ELEV OFF THEN HYD 3 OFF. REMOVED & REPLACED #3 ENGINE UPPER (LEFT) EDP PER AMM TASK 29-11-20-400-802 UP TO STEP (H). BLEED, LEAK & OPS CHECK REQUIRED. SERVICED #3 HYD SYSTEM IAW AMM 12-13-02/301.PERFORMED BLEED OF THE #3 SYSTEM RESERVOIR & RMPS, ELECTRIC MOTOR DRIVEN PUMPS, ENGINE DRIVEN PUMPS & FLIGHT CONTROLS IAW AMM 29-03-00/201. #3 HYD SYS MANIFOLD RTS TESTS GOOD IAW AMM 29-12-40-700-801, LEAK CHKS GOOD. PERFORMED OPS CHK OF 3L EDP IAW AMM 29-11-20-400-802 & 71-00-00-700-801. LEAK CHKS GOOD. COMPLETED STEPS OF AMM 29-12-40-000-801 & 29-11-20-400-802

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