What was found
BACKUP CONVERTER FAILURE. ACCOMPLISHED ALL WIRE CHECKS, NO DEFECTS FOUND. REPLACED CONVERTER, GROUND TEST AND ENG TEST PASS, NO STATUS MESSAGE.
- Difficulty date
- October 17, 2010
- Submitted
- October 20, 2010
- Operation
- Air carrier
- Aircraft
- N223UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30224
- Aircraft time
- 38,822 hours, 4,766 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2425 · AC Indicating System
- Part
- Converter
- Part number
- 757183F
- Part serial
- 74
- Condition
- Faulty
- Location
- Backup
- 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.