What was found
NR 4 FLAP DRIVE BALLSCREW. RUST/BROWN RESIDUE IS VISIBLE AT UPPER AND LOWER BUSHING AREAS. R & R BALLSCREW IAW AMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 4 FLAP DRIVE BALLSCREW. RUST/BROWN RESIDUE IS VISIBLE AT UPPER AND LOWER BUSHING AREAS. R & R BALLSCREW IAW AMM.