SDR P5CA2020121400394

Service difficulty report · Duct · Boeing 767306

Difficulty date: December 12, 2020
Submitted: December 15, 2020
Operation: Air carrier
Aircraft: N647GT
Make and model: Boeing 767306
Aircraft serial: 27611
Aircraft time: 81,669 hours, 21,858 cycles
System (JASC): 4920 · APU Core Engine
Part: Duct
Part number: 38842922
Condition: Damaged
Location: Apu Surge Valve
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

DURING APU MAINTENANCE FOUND APU SURGE VALVE DUCT DAMAGED. TRANSFERRED TO MDDR 139394, IAW DDG 49-11-01A, CAT C, DUE 22DEC20. REMOVED AND REPLACED APU SURGE BLEED DUCT, IAW AMM 20-11-00. APU OPERATIONS CHECK GOOD, NO DEFECTS NOTED AT THIS TIME, IAW AMM 49-11-00. THIS CLEARS DMI 139394, MCC NOTIFIED, PLACARDS REMOVED.