As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REF T/C 78472010 ALL PLATFORMS EXCEPT #19 HAS MARKS BECAUSE OF SHIMS ON SURFACE C WHICH IS NOT PERMITTED REF B737-900 AMM 72-21-02-200-801-F00 STEP I(I)(E) GROUNDED - YES. REMOVED AND REPLACED ALL 24 PLATFORMS ON #1 ENG WITH PLATFORMS P/N 340-001-816-0 REF T/C 78472010.