What was found
LOUD SQUEAL IN PA BY ROW 6. REPLACED IOEU'S AT ROWS 6 & 7 CDEF PER AMM, OPS CHECK OK. NO MORE SQUEAL.
- Difficulty date
- March 30, 2013
- Submitted
- May 8, 2013
- Operation
- Air carrier
- Aircraft
- N127UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28813
- Aircraft time
- 54,644 hours, 6,381 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2340 · Interphone/Passenger Announcement (PA) System
- Part
- Electronic Unit
- Condition
- Malfunctioned
- Location
- Cabin
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.