What was found
INFLIGHT SHUTDOWN NR 1 ENG FOR ZERO OIL PRESS AT FL300. DIVERT TO KATL. TOTAL OIL LOSS, OIL PRESS 27-40 PSI FOR 2 MIN, ENG SHUTDOWN AT OIL PRESS LIGHT. WINDMILLED 20 MIN. MX FOUND AFT CHIP DETECTOR LAYING IN BOTTOM OF FAN COWL. INSP AFTER ENG OPS ABOVE LIMITS AMM 71-00-00-800-804-F00 INSP & SEALS REPLACED, NO DEFECTS. AMM 71-00-00-210-802-F00 INSP AFTER WINDMILL ACP'D OPS IN LIMITS. OIL SERVICED TO FULL AMM 12-13-11. RUN & LEAK CHKS ACP'D MCD'S, OIL PARAM IN AMM 71-00-00. E1 - AFTER REVIEW QAR DATA, ENG OPS FROM 88 - 69.5% N2 OIL PRESS BEING 13 PSID TO 6 PS ID. TOTAL TIME 2.8 MINS. PER AMM 71-00-00-800-80 4-F00, INSP AFTER ENG OPS, ABOVE LIMITS & HI ENG STRESS, NR 1 ENG R&R IAW W/C 29-7100-1-4900.