Service difficulty report · Processor · Boeing 777222

Difficulty date
August 15, 2025
Submitted
August 15, 2025
Operation
Air carrier
Aircraft
N227UA
Make and model
Boeing 777222
Aircraft serial
30555
Aircraft time
91,309 hours, 10,746 cycles
Part
Processor
Condition
Faulted
Location
Fuel Qty
Stage of operation
NR
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

TOTAL FUEL QTY IND ERRATIC BEFORE DEP TOTAL FUEL QTY IND ERATIC DUE TO CTR TANK FUEL QTY IND ERRATIC TOTAL FUEL QUANTITY INDICATION HAS BEEN DEFERRED IN COMPLIANCE WITH MEL CARD 28220. MEL 2841J, ACCMPLISHED DRIPSTICK METHOD AND CHECKED OK, DUE TO CTR TANK INOP *DM* REF. MEL LP 5880293, VERIFIED NO PREVIOUS OR PRESENT FAULTS ON MAT. ON CENTER TANK UNITS. SUMPED CENTER TANK TO VERIFY THERE WAS NO WATER PRESENT. REPLACED FUEL QTY PROCESSOR UNIT IAW AMM 28-41-01, OPS CK GOOD IAW AMM 28-41-00-710-801, FUEL QUANTITY SYSTEM (FQIS) TANK UNITS AND DENSITOMERS.