Service difficulty report · Power Supply · Boeing 727222

Difficulty date
April 24, 2001
Submitted
May 30, 2001
Operation
Air carrier
Aircraft
N7256U
Make and model
Boeing 727222
Aircraft serial
21403
Aircraft time
66,366 hours, 38,139 cycles
Engine
Pwa JT8D15
Part
Power Supply
Part number
MR73364
Condition
Inoperative
Location
Fuel System
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

FUEL FLOW INDICATION FOR ALL ENGINES WENT TO ZERO TWICE IN FLIGHT. AIRCRAFT DIVERTED TO MCI. *S/D* THE CAUSE OF THE FUEL FLOW INDICATION TO READ ZERO IS THE FUEL FLOW POWER SUPPLY UNIT. THERE IS ONLY ONE POWER SUPPLY UNIT FOR ALL THREE INDICATORS. THE FUEL FLOW POWER SUPPLY UNIT WAS REPLACED.