SDR IPXA2025072363772

Service difficulty report · Valve · Boeing 76734AF

Difficulty date: July 4, 2025
Submitted: July 23, 2025
Operation: Air carrier
Aircraft: N325UP
Make and model: Boeing 76734AF
Aircraft serial: 27751
Aircraft time: 69,296 hours, 22,998 cycles
System (JASC): 5400 · Nacelle/Pylon Structure
Part: Valve
Part number: 7738556
Part serial: 2011090441
Condition: Damaged
Location: Zone 400
Stage of operation: IN
How discovered: V
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

CRACK - FLANGE, NO. 2 PYLON FAN AIR VALVE INLET. I.A.W. AMM 36-11-16-004-001-006, AND 36-11-16-404-015-006, REV.145, REPLACED THE FAN AIR VALVE OF NO.2 ENGINE. I.A.W AMM 36-11-16-404-015-006 REV.145, DID THE OPERATIONAL TEST, RESULT: NO LEAK WAS FOUND AND TEST PASSED.

More about the Boeing 767-34AF