Service difficulty report · Relief Valve · Boeing 767306

Difficulty date
July 16, 2018
Submitted
July 18, 2018
Operation
Air carrier
Aircraft
N647GT
Make and model
Boeing 767306
Aircraft serial
27611
Aircraft time
79,528 hours, 20,290 cycles
Part
Relief Valve
Part number
80217012
Part serial
960174
Condition
Malfunctioned
Location
Bleed Air Sys
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

RT ENGINE BLEED/PACK OFF LIGHT REMAINS ON AFTER ENGINE START DUCT PRESSURE RT 0 UNTIL THRUST IS INCREASED. IAW AMM 36-11-18 REMOVED AND REPLACED RT ENGINE PRV AND PERFORMED LEAK CHECK NORMAL IAW AMM 36-13-00 PERFORM AIR SUPPLY CONTROL BITE TEST AND NO FAULTS FOUND IAW AMM 71-00-00 PERFORMED ENGINE RUN TEST CHECK NORMAL.