What was found
RANDOM CHIME IN FWD CABIN AT 30 SEC INTERVAL WITH 1L CONTROL SCREEN FLASH. ALSO INTERMITTENT SMOKE DETECTED ORANGE BOX ON DISPLAY AT 1L. FOUND OEU 1-1-2 FAULTY, REPLACED AND OPS NORMAL
- Difficulty date
- November 6, 2010
- Submitted
- November 12, 2010
- Operation
- Air carrier
- Aircraft
- N776UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26937
- Aircraft time
- 59,643 hours, 10,839 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2400 · Electrical Power System
- Part
- Electronic Unit
- Part number
- 285W00295
- Condition
- Malfunctioned
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.