Service difficulty report · Trans Rectifier · Boeing 767322

Difficulty date
July 23, 2024
Submitted
July 24, 2024
Operation
Air carrier
Aircraft
N652UA
Make and model
Boeing 767322
Aircraft serial
25390
Aircraft time
125,076 hours, 19,132 cycles
Part
Trans Rectifier
Part number
427303
Part serial
2066
Condition
Faulted
Location
Zone 100
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

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

What was found

767 FUEL FEED SYSTEM HEALTH CHECK - LH FWD BOOST PUMP - VOLTAGE INBALANCE OF FWD LH FUEL PUMP OUT OF TOLERANCE. LH TRANSFORMER RECTIFIER UNIT REPLACED AS PER AMM 24-32-01-004-001 AND 24-32-01-404-005. LH TRU OP-CHECK TEST OK, FWD LH FUEL PUMP VOLTAGE INBALANCE NOW WITHIN LIMITS. LH TRANSFORMER RECTIFIER UNIT REPLACED AS PER AMM 24-32-01-004-001 AND 24-32-01-404-005. LH TRU OP-CHECK TEST OK, FWD LH FUEL PUMP VOLTAGE INBALANCE NOW WITHIN LIMITS.