Service difficulty report · Isolation Valve · Boeing 767306

Difficulty date
March 27, 2018
Submitted
April 6, 2018
Operation
Air carrier
Aircraft
N1427A
Make and model
Boeing 767306
Aircraft serial
28098
Aircraft time
76,471 hours, 15,947 cycles
Part
Isolation Valve
Condition
Malfunctioned
Location
Thrust Reverser
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

FOUND THE NR 2 THRUST REVERSER ISOLATION VALVE LIGHT DID NOT COME ON. DURING MOVEMENT OF THE NR 2 THRUST REVERSE LEVER REAPPEARED IN THE REVESE IDLE DETENT IAW SWPM 20-84-17, REV.66. REPLACED THE ISOLATION VALVE, OPS CHECKED GOOD IAW AMM 78-36-00-725-001-M00, REV 123. PILOT VALVE PRESSURE SWITCH CHECKED NORMAL.