Service difficulty report · Panel · Boeing 777222

Difficulty date
August 27, 2012
Submitted
October 17, 2012
Operation
Air carrier
Aircraft
N229UA
Make and model
Boeing 777222
Aircraft serial
30557
Aircraft time
44,868 hours, 5,458 cycles
Engine
Pwa PW40903
Part
Panel
Condition
Faulty
Location
Electrical Sys
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

ELMS P210 PANEL THE ELECTRICAL LOAD MANAGEMENT SYSTEM (ELMS) P210 PANEL IS FAULTED SUCH THAT IT CANNOT SUPPORT AIRPLANE DISPATCH. ELEC SYNOPTIC PAGE SHOWS NR 2 ELEC GEN NOT POWERING R MAIN BUS, R UTILITY BUS AND R TXFR BUS ALONG WITH BOTH BTB'S ISOLATED. SEVERAL STATUS MESSAGES RECIRC FAN, CARGO BULK HEAT, RAT GEN HEAT AND OTHERS DISPLAYED. APPEARS TO BE ELM'S COMMUNICATION FAULT RELATED TO MT24-023-R3 AND FLIGHT MANUAL 4.30.5. REF PTT 9682001. ALL DISPLAYED STATUS MSG ERASED AFT PERFORMED MT24-023-R3. OK FOR SERVICE.