What was found
ALL 6 DISPLAY UNITS AND CDU BLANKING. REPLACE BACKUP CONVERTER (M24008) MAT SHOWS LAST FLT LEG DURING DESCENT MAIN BUS (R) VOLTAGE LOW. MAINT MSG 24-44090, HAS HIT 6 LEGS THIS MONTH. REPLACED UNIT, SYSTEM CHECKS NORMAL.
- Difficulty date
- August 16, 2012
- Submitted
- October 16, 2012
- Operation
- Air carrier
- Aircraft
- N796UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26931
- Aircraft time
- 64,812 hours, 9,158 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2433 · DC Rectifier/Converter
- Part
- Converter
- Part number
- 757183F
- Part serial
- 3
- 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.