Narrative:

At XA30, may/xa/00, my lead informed me to assist the mechanic working on #3 engine with the hot section borescope close up. The original mechanic was reassigned from completing the hot section borescope on #3 engine. An alternate mechanic was called over to install the bolts on the fuel nozzles and complete the hot section close up. Once the borescope was completed, installing all plugs on comb chamber and high power turbine plugs. I then inspected the hot section, inspecting the rear most bolts on the 4 fuel nozzles and comb chamber plugs along with the high power turbine plugs. Everything was in order. How discovered: aircraft xyz L1011-250 RB211-524b4i engine #3 position in-flight shutdown due to a&B loop #3 engine illuminated. Cause #16 forward fuel nozzle bolt missing.

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Original NASA ASRS Text

Title: AN L1011-250 RETURNED TO THE FIELD UNDER EMER CONDITIONS WITH #3 ENG FIRE WARNING CAUSED BY A FUEL NOZZLE BOLT MISSING.

Narrative: AT XA30, MAY/XA/00, MY LEAD INFORMED ME TO ASSIST THE MECH WORKING ON #3 ENG WITH THE HOT SECTION BORESCOPE CLOSE UP. THE ORIGINAL MECH WAS REASSIGNED FROM COMPLETING THE HOT SECTION BORESCOPE ON #3 ENG. AN ALTERNATE MECH WAS CALLED OVER TO INSTALL THE BOLTS ON THE FUEL NOZZLES AND COMPLETE THE HOT SECTION CLOSE UP. ONCE THE BORESCOPE WAS COMPLETED, INSTALLING ALL PLUGS ON COMB CHAMBER AND HIGH PWR TURBINE PLUGS. I THEN INSPECTED THE HOT SECTION, INSPECTING THE REAR MOST BOLTS ON THE 4 FUEL NOZZLES AND COMB CHAMBER PLUGS ALONG WITH THE HIGH PWR TURBINE PLUGS. EVERYTHING WAS IN ORDER. HOW DISCOVERED: ACFT XYZ L1011-250 RB211-524B4I ENG #3 POS INFLT SHUTDOWN DUE TO A&B LOOP #3 ENG ILLUMINATED. CAUSE #16 FORWARD FUEL NOZZLE BOLT MISSING.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.