Service difficulty report · Unknown · Boeing 747422

Difficulty date
October 17, 2012
Submitted
October 17, 2012
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
91,677 hours, 11,044 cycles
Engine
Pwa PW4056
Part
Unknown
Condition
Malfunctioned
Location
Fuel System
Stage of operation
NR
How discovered
O
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

ACTIVE EXISTING FAULT: TANK WIRING HORIZ STAB HI Z LOW RESISTANCE CTR TO SHIELD. MAINT MSG 28083. FOUND REF A-CHECK JIC 800008400 ITEM 3. REMOTE ELEX UNIT CARD A1 HAS BEEN REPLACED, NO HELP.