Service difficulty report · Fmu · Cessna 402CESSNA

Difficulty date
October 29, 2004
Submitted
March 2, 2005
Operation
General aviation
Aircraft
N3278Q
Make and model
Cessna 402CESSNA
Aircraft serial
4020078
Engine
Cont TSIO520E
Propeller
Mcauly 3AF32C*
Part
Fmu
Part number
6329168
Part serial
A01FA163R
Condition
Out Of Adjust
Location
Lt Engine
Part time
1,053 hours
Stage of operation
AP
How discovered
O
Nature of condition
R
Precautionary procedure
O

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

What was found

LT ENGINE LOST POWER ON FINAL APPROACH DUE TO THE FUEL METERING UNIT BECOMING OUT OF ADJUSTMENT. UNIT WAS ADJUSTED IAW CSM AND ENGINE FUEL PRESSURES AND FLOWS WERE ADJUSTED IAW MFG SB97-3. GROUND RUN WAS PERFORMED AND FLIGHT TEST CONDUCTED. NO DEFECTS WERE NOTED WITH EITHER ACTION. NO RECOMMENDATIONS FOR NON-RECURRENCE AS THE FUEL SETTINGS CHANGE WITH THE CHANGE IN CONSULTED ON THIS BY THIS COMPANY AND OTHERS WITH THE ONLY RECOMMENDATION THAT PRESSURES AND FLOWS BE ADJUSTED AT SEASONAL CHANGE. (WP19200504117)