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SDR UALA2012101705928

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Service difficulty report · Circuit Card · Boeing 777222

FAA SDR system

Difficulty date
October 16, 2012
Submitted
October 17, 2012
Operation
Air carrier
Aircraft
N229UA
Make and model
Boeing 777222
Aircraft serial
30557
Aircraft time
45,591 hours, 5,540 cycles
Engine
Pwa PW40903
System (JASC)
2400 · Electrical Power System
Part
Circuit Card
Condition
Unsecure
Location
Electrical Sys
Stage of operation
NR
How discovered
O
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

ELMS P210 PANEL THE ELECTRICAL LOAD MANAGEMENT SYSTEM (ELMS) P210 PANEL IS FAULTED SUCH THAT IT CANNOT SUPPORT AIRPLANE DISPATCH. AIMS HAS LOTS ARINC 629 COMMUNICATION WITH THE P210 PANEL. OR ONE P210 PANEL CHANNEL IS LOST AND THE OTHER FAULTED AND IS OPERATING IN A DEGRADED MODE. OR BOTH P210 PANEL CHANNELS ARE FAULTED AND A STATUS MSG01- ACTIVE CLIMB HARD; ELMS P210 - POWER MANAGEMENT PANEL - (RT) HAS NO OUTPUT ON ANY BUS. REPAIR, RERACKED P210 CARD M24403A3 AND PERFORMED MT 24-023-R3. MSG'S CLEAR FROM STATUS AND SHOW NOT ACTIVE ON THE PMAT.