What was found
LEFT BACK UP GENERATOR HAS FILTER BLOCKED INDICATION ON MAINTENANCE PAGE AT ETOPS PRE DEPARTURE CHECK. REPLACED BACKUP GENERATOR, OPS CHECKED PER AMM. TEST 3 AND FOUND OK.
- Difficulty date
- February 10, 2013
- Submitted
- February 28, 2013
- Operation
- Air carrier
- Aircraft
- N228UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30556
- Aircraft time
- 47,168 hours, 5,717 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2420 · AC Generation System
- Part
- Generator
- Part number
- 1701768
- Part serial
- 20837
- Condition
- Warning Message
- Location
- Lt Back Up
- 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.