Service difficulty report · Control Unit · Boeing 747451
FAA SDR system
- Difficulty date
- August 22, 2012
- Submitted
- August 24, 2012
- Operation
- Air carrier
- Make and model
- Boeing 747451
- Aircraft serial
- 26473
- Aircraft time
- 74,691 hours, 8,806 cycles
- Engine
- Pwa PW4056
- Part
- Control Unit
- Part number
- 1167007141
- Part serial
- 3386
- Condition
- Malfunctioned
- Location
- Cabin
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTINUOUS CHIME FROM DOOR-3L LAV FORWARD UNIT. REPLACED IOEU ABOVE LAV. SYSTEM OPS OKAY.