SDR NACA2022112500001

Service difficulty report · Fuel Sys · Boeing 767323

Difficulty date: November 25, 2022
Submitted: November 30, 2022
Operation: Air carrier
Aircraft: N399CM
Make and model: Boeing 767323
Aircraft serial: 25451
Aircraft time: 107,819 hours, 18,214 cycles
Engine: Ge CF680C2B6
Engine time: 8,117 hours, 2,625 cycles
System (JASC): 7300 · Engine Fuel and Control
Part: Fuel Sys
Condition: Erratic
Location: Lt Eng Fuel Flow
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

L ENGINE FUEL FLOW ERRATIC ON CLIMB OUT WITH ENGINE ANTI-ICE SELECTED ON. FLOW FROM A STABLE 13.0 DROPS TO 6.5 AND IN-BETWEEN. CLEANED CANNON PLUG ON LH FUEL FLOW TRANSMITTER PER BOEING SWPM 20-60-01 OPS CHECK GOOD PER AMM 71-00-00 TEST 3.