What was found
GEARBOX IS MAKING METAL. BEARINGS BREAKING DOWN. ACTION TAKEN: OVERHAULED, DISASSEMBLED, CLEANED, VISUALLY INSPECTED AND NDT. C/W TB 412-99-157. INSTALLED NEW BEARINGS OP SHAFT, EXCLUDER ASSY AND ALL SEALING ELEMENTS. REASSEMBLED 90 DEGREE GEARBOX AND CHECKED BACKLASH. .009, .009, .009 REPACKED COUPLING WITH GREASE DATED GREASE DATED NOV. 12, 1999.