What was found
LEFT BACK-UP GENERATOR HAS A BLOCKED FILTER INDICATION ON EICAS. REPLACED NR 1 BACK-UP GENERATOR OIL FILTER. NO CONTAMINATION FOUND, LEAK CHECKS OKAY.
- Difficulty date
- July 20, 2009
- Submitted
- July 22, 2009
- Operation
- Air carrier
- Aircraft
- N771UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26932
- Aircraft time
- 54,580 hours, 10,307 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Oil Filter
- Part number
- ACC434F65
- Condition
- Faulty
- Location
- Backup Generator
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.