What was found
HIGH PITCH SOUND IN CEILING AT ROW 20. REMOVED UPPER BEACON ASSY 7LY. FOUND O-RING DAMAGED. REPLACED PACKING ITEM 90 ON IPC PER MM33-48-11. PRESSURIZED A-C NO LEAK AND HIGH PITCH SOUND NOTED.
- Difficulty date
- March 22, 2012
- Submitted
- April 20, 2012
- Operation
- Air carrier
- Aircraft
- N412UA
- Make and model
- Airbus A320232
- Aircraft serial
- 465
- Aircraft time
- 61,641 hours, 22,415 cycles
- Engine
- Iae V2527A5
- System (JASC)
- 3340 · Exterior Lighting
- Part
- O-Ring
- Part number
- AS3582252
- Condition
- Damaged
- Location
- Upper Beacon
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.