As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT STA 640 AND 780 THERE IS A MISMATCH IN HEIGHT BETWEEN THE SEAT TRACK CROWNS THAT WILL PREVENT THE HANDLING SYS ROLLER TRAYS FROM SITTING LEVEL. RBL 24-75 AND 45.5. THIS IS AN EXISTING CONDITION. DUE TO DISCREPANCY EFFECTING THE PTF MOD A REPAIR HAS BEEN ACCOMPLISHED AT STA 640-780 RBL 24.75 AND 45.5 IAW MAE EA 757-5335-16-F2562 REV B AND MAE 43435600001. CLASSIFIED CATEGORY "A" MAJOR REPAIR.