Service difficulty report · Bolt · Boeing 767281

Difficulty date
January 14, 2017
Submitted
January 19, 2017
Operation
Air carrier
Aircraft
N775AX
Make and model
Boeing 767281
Aircraft serial
22790
Aircraft time
59,714 hours, 43,492 cycles
Engine
Ge CF680A
Engine time
35,126 hours, 24,218 cycles
System (JASC)
7312 · Fuel Heater
Part
Bolt
Condition
Missing
Location
Fuel Heater
Stage of operation
DE
How discovered
O
Nature of condition
K, X
Precautionary procedure
O

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

What was found

LEFT ENGINE FLAME OUT (SHUT DOWN) OCCURRED WHILE DESCENDING THROUGH APPROXIMATELY 10,000 FEET. THE QUICK REFERENCE HANDBOOK’S ENGINE FAILURE AND ENGINE IN FLIGHT START CHECK LIST WAS COMPLETED. THE ENGINE RESTART WAS SUCCESSFUL. THE AIRPLANE WAS REMOVED FROM SERVICE (GROUNDED) AND A BOLT WAS FOUND MISSING AT THE AFT SIDE OF THE LEFT ENGINE’S SERVO FUEL HEATER, CAUSING A FUEL LEAK. THE SERVO FUEL HEATER’S GASKET SEAL WAS REPLACED AND THE MISSING BOLT WAS INSTALLED. THE CAUSE FOR THE IN-FLIGHT SHUT DOWN WAS A MISSING BOLT IN THE SERVO FUEL HEATER.