Service difficulty report · Surge Valve · Boeing 76731K

Difficulty date
February 14, 2020
Submitted
February 21, 2020
Operation
Air carrier
Aircraft
N1487A
Make and model
Boeing 76731K
Aircraft serial
28865
Aircraft time
86,936 hours, 17,774 cycles
Part
Surge Valve
Part number
97980612
Part serial
P1710
Condition
Failed
Location
Apu
Stage of operation
TX
How discovered
V
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING SHUTDOWN APU BLEED VALVE WOULD NOT GO ABOVE 10 PSI, CYCLED BLEED SWITCH, NO CHANGE.(<P>TRANSFERRED TO MDDR 124676 PER MEL 49-11-01-01, CAT C, DUE DATE: 24FEB20. DISPATCH JL @ 17:10Z.</P><P><SPAN>LP </SPAN><SPAN>1169147: </SPAN><SPAN>REMOVED AND REPLACED APU SURGE CONTROL VALVE IAW AMM 49-53-01 AND OPS CHECK IS GOOD AT THIS TIME. THIS CLEARS MDDR 124676. MCC NOTIFIED AND STICKERS REMOVED.</SPAN></P>)

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