What was found
AT 20,000 FEET AND 350 KNOTS GOT RIGHT FLAP FLUTTER. PASSENGER SAW RIGHT HAND OUTBOARD AFT FLAP FLUTTER 4 INCHES WITH FLAPS UP. RETURNED TO DEN. *S/D* ADJUSTED OUTBOARD TRAILING EDGE FLAP ECCENTRICS. SYSTEM CHECKS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT 20,000 FEET AND 350 KNOTS GOT RIGHT FLAP FLUTTER. PASSENGER SAW RIGHT HAND OUTBOARD AFT FLAP FLUTTER 4 INCHES WITH FLAPS UP. RETURNED TO DEN. *S/D* ADJUSTED OUTBOARD TRAILING EDGE FLAP ECCENTRICS. SYSTEM CHECKS OK.