Service difficulty report · Probe · Boeing 767322

Difficulty date
February 12, 2024
Submitted
February 13, 2024
Operation
Air carrier
Aircraft
N667UA
Make and model
Boeing 767322
Aircraft serial
29239
Aircraft time
88,133 hours, 18,874 cycles
Part
Probe
Part number
201280121
Part serial
711
Condition
Faulty
Location
Fuel Tank
Part time
88,133 hours, 18,874 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

L FUEL QUANTITY IND INOP PERFORMED FUEL QTY PRCS UNIT BITE PER AMM 28-41-00 FOUND PRESENT FAULTS LM TU 3 AND 5 CONTAMINATED G......FAULT HISTORY LEG -00.....LM TU 3 AND 5 CONTAMINATED A03 AND RM TU 3 CONTAMINATED A01. ONE TIME IDT GRANTED FOR UNIT, TANK, FUE OFF 64-2841-9-9005 0711 ON 64-2841-9-9005 1789 UNIT, TANK, FUE OFF 64-2841-9-9005 0711 ON 0000 UNIT, TANK, FUE OFF 64-2841-9-9007 0700 ON 64-2841-9-9007 1781 UNIT, TANK, FUE OFF 64-2841-9-9007 0700 ON 0000 VERIFIED CURRENT FAULTS OF LM TU3 AND TU5 CONTAMINATED. REMOVED AND REPLACED LM TU3 AND TU5 IAW UAL AMM 28-41-01. COMPLIED WITH ALL CDCCL STEPS. OPS CHECK GOOD WITH NO FAULTS IAW AMM 28-41-00-715-001-002. IDT FOR CDCCL STEPS PERFORMED BY TANK WO# 12449R187 UAL WO# 3097015.) ROTABLE PARTS CHANGE WAS INDICATED - TT # 1667435 SN OFF 0711 TT # 1586475 SN OFF 0700 IPC REFERENCE # 28-41-01-02 IPC REFERENCE # 28-41-01-02