What was found
(CAN) DURING INSPECTION OF TWO SEPARATE S92 MGB PN 92351-15100-050 SPALLING WAS FOUND ON PINION PN 92351-15171-041/-042. PINION GEARS ARE ON CONDITION INSPECTION WITH NO LIFE LIMIT. TBO OF MGB IS 6000 HOURS. MGB PN 92351-15100-050 TOTAL TIME OF PINIONS WERE 4252:35. MGB PN 92351-15100-050 TOTAL TIME OF PINIONS 4398:58. VISUALLY INSPECTED AT MAIN HOUSING CHANGE AT TOTAL TIME 4235:09 WITH NO GALLING PRESENT. MGB WAS RETURNED 167:49 HOURS LATER FOR MGB OVER TEMP. AT WHICH TIME THE SPALLING WAS FOUND DURING INSPECTION. THIS APPEARS TO BE OCCURRING TO B009-026 BATCH OF SERIAL NUMBERS. (TC# 20190726033)