SDR UIEA201812212890

Service difficulty report · Tube · Boeing 767306

Difficulty date: December 20, 2018
Submitted: December 24, 2018
Operation: Air carrier
Aircraft: N1399A
Make and model: Boeing 767306
Aircraft serial: 27959
Aircraft time: 87,836 hours, 16,495 cycles
System (JASC): 4920 · APU Core Engine
Part: Tube
Condition: Disconnected
Location: Compress Dischar
Stage of operation: TX
How discovered: 9
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

APU DUCT PRESSURE TOO LOW FOR START(<P>TRANSFERRED TO DMI #104853 IAW DDG 49-11-01A <BR /></P><P>LP 1037857-M2 PERFORMED 49-11 FT A06 AND FIM 49-11 FT 986, NO FAULTS NOTED, CHECK SURGE VALVE FILTER ELEMENT PER AMM 49-53-06, AND FOUND THE COMPRESSOR DISCHARGE TUBE DISCONNCETED, RETIGHTEN, PERFORMED OPS CHECKS.