Service difficulty report · Fuel Nozzle

Difficulty date
February 19, 2010
Submitted
March 12, 2010
Operation
General aviation
Engine
Pwa JT8D15A
Part
Fuel Nozzle
Part number
809884001
Part serial
DL805R
Condition
Burned
Location
Nr 8
Stage of operation
NR
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

AS A RESULT OF BURNED T2 VANES, COMBUSTION MODULE DISASSEMBLED. NR 8 FUEL NOZZLE RETAINING NUT FOUND LOOSE WITH LOCK TAB INTACT. SEVERE BURN AWAY AREAS OF FUEL NOZZLE BODY, COMBUSTION CAN SWIRL VANES, INTERNAL LOUVER AND NR 1 LINER. DIFFUSER CASE BUCKLED FROM HEAT AROUND NR 8 FUEL NOZZLE MOUNT PAD, AND HEAT SOAK EVIDENT ON BOTH PRIMARY AND SECONDARY FUEL MANIFOLDS. BREAKOUT OF T2 VANES DUE TO HEAT HAS RESULTED IN EXTENSIVE FOD TO LPT MODULE AND T/E OF T1 VANES. NR 8 FUEL NOZZLE REMOVED FROM SERVICE AND FWD TO O/H VENDOR FOR DISASSEMBLY AND DETAILED FINDINGS REPORT. OTHER UNSERVICEABLE PARTS WILL BE REPAIRED/ REPLACED AS REQUIRED.