What was found
F/A REPORTS A LOUD SOUND COMING FROM FLOORBOARD AREA BETWEEN 13 AND 14AB. FOUND BOTH CLAMPS LOOSE ON AIR DUCT JUST FWD OFF MIX AIR MANIFOLD. REPLACED MIX MANIFOLD DUCT CLAMPS. OPS CHECK C-OUT. NO LEAKS FOUND.
- Difficulty date
- February 23, 2009
- Submitted
- February 25, 2009
- Operation
- Air carrier
- Aircraft
- N773UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26929
- Aircraft time
- 54,605 hours, 11,045 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2120 · Air Distribution System
- Part
- Clamp
- Part number
- NAS192205251
- Condition
- Loose
- Location
- Air Duct
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.