What was found
CREW REPORTED LOUD WHOOSHING SOUND IN AFT AIRSTAIR AREA WHEN ENGINE ANTI-ICE IS TURNED ON. SOUND GOES AWAY WHEN ENGINE ANTI-ICE IS TURNED OFF. *S/D* REPLACED NR 2 ENGINE ANTI-ICE DUCT ABOVE THE STAIRWELL AND THE S-DUCT.
- Difficulty date
- May 22, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7453U
- Make and model
- Boeing 727222
- Aircraft serial
- 21907
- Engine
- Pwa JT8D15
- System (JASC)
- 3010 · Airfoil Anti/De-ice System
- Part
- Anti-Ice Duct
- Part number
- 65588228
- Condition
- Broken
- Location
- Aft Stairwell
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.