Service difficulty report · Shuttle Valve · Boeing 7572B7

Difficulty date
June 22, 2019
Submitted
June 24, 2019
Operation
Air carrier
Aircraft
N201UU
Make and model
Boeing 7572B7
Aircraft serial
27810
Aircraft time
78,007 hours, 26,356 cycles
Part
Shuttle Valve
Condition
Leaking
Location
Hyd System
Stage of operation
LD
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

AIRCRAFT WAS GROUNDED: PILOT REPORTS RT HYD QUANTITY DROPPED TO 0.17 FROM FULL. RT HYD PRESS DROPPED TO ZERO ON LANDING W/ REVERSOR DEPLOYMENT. RSVR LIGHT ILLUMINATED & RED RF INDICATOR. MAINTENANCE REMOVED AND REPLACED L/H R/H ANTI SKID VALVE MODULE IAW AMM 32-42-07-401. LEAK CHECK GOOD.

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