SDR N8TA01042305

Service difficulty report · Bearing · Boeing 757*

Difficulty date: April 17, 2001
Submitted: May 23, 2001
Operation: Air carrier
Aircraft: N542NA
Make and model: Boeing 757*
Aircraft serial: 26245
System (JASC): 5520 · Elevator Structure
Part: Bearing
Condition: Worn
Location: Elevator
Stage of operation: CR
How discovered: O
Nature of condition: E
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEVEL AT FL 350 AT MACH .80, EXPERIENCED WHAT APPEARED TO BE ELEVATOR FLUTTER FOR APPROX 1 MINUTE. DESCENDED TO FL 310, REDUCED TO MACH .78. SITUATION DID NOT RECUR. PERFORMED ELEVATOR FREE PLAY CHECK; NO DEFECTS FOUND. AS A PRECAUTION REPLACED IDLER LINK BEARINGS AND REACTION LINK BEARINGS ON ALL 3 LEFT AND RIGHT ELEVATOR PCA. OPERATIONALLY TESTED AND ACCOMPLISHED FLIGHT TEST WITH NO DISCREPANCIES.