What was found
AIRCRAFT IN BASE MAINTENANCE: AFT LEFT HAND INBOARD SEAT TRACK AFT UPPER COUPLING HAS PRE-EXISTING ELONGATED HOLES AT BS 38750 AND S23L. REPLACED COUPLING PER ECO 2518E208-018.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: AFT LEFT HAND INBOARD SEAT TRACK AFT UPPER COUPLING HAS PRE-EXISTING ELONGATED HOLES AT BS 38750 AND S23L. REPLACED COUPLING PER ECO 2518E208-018.