Service difficulty report · Probe · Boeing 777222

Difficulty date
October 17, 2013
Submitted
November 21, 2013
Operation
Air carrier
Aircraft
N785UA
Make and model
Boeing 777222
Aircraft serial
26954
Aircraft time
73,999 hours, 10,326 cycles
Engine
Pwa PW40903
Part
Probe
Condition
Intermittent
Location
Lt Fuel Tank
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

LT MAIN TANK UNIT 12L M28085 SIGNAL IS OUT OF RANGE. IT HAS BEEN HIT INTERMITTENTLY DURING LEGS 2, 9, 12 & 16. REPLACED LT MAIN TANK UNIT 12L PROBE.