As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 669 HIGH PITCHED SOUND COMING FROM DOOR 4R AIRBORNE. DOOR HANDLE REPEATEDLY LIFTED UP APPROX ONE INCH FROM SEATED POSITION. CORRECTIVE ACTION: FOUND LOWER GATE OF 4R NOT ADJUSTED PROPERLY - ADJUSTED IAW AMM 52-11-00 PRESSURIZED A/C NO SQUEAL HANDLE STAYS LOCKED. (4020558)