Narrative:

Jul/xx/96, ZZZ MD82 arrived with pilot report of #1 engine low idle and slow to spool. I checked the #1 fuel control unit moisture trap and adjusted idle on FCU up 4 clicks. I did not perform an engine run at gate but did enter into logbook for the crew to evaluate. Crew did evaluate and make logbook entry engine operation normal. I did not perform an operation check after adjustment of FCU. Did request crew evaluation. Callback conversation with reporter revealed the following information: contacted mechanic who stated he adjusted the #1 engine idle due to a logbook report of engine idle low and slow to accelerate. He adjusted the fuel control idle screw 4 clicks, but did not run the engine. The reference he used to accomplish the work was the engine trim procedure which allows an 8 click adjustment with no subsequent engine run. After adjustment was accomplished an item was entered in the logbook for the outbound crew to comment on engine performance. After pushback and engine start no communication was received from the crew on engine idle performance. Later log entry reports engine operation normal. Mechanic stated the idle adjustment was made to the fuel control with no maintenance manual reference entered in the work accomplishment documents or the logbook entry. Mechanic stated he had been interviewed by the FAA.

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Original NASA ASRS Text

Title: ENG IDLE ADJUSTMENT MADE TO FUEL CTL WITH NO MAINT MANUAL REF ENTERED IN WORK ACCOMPLISHMENT DOCUMENTS OR LOGBOOK SIGN-OFF.

Narrative: JUL/XX/96, ZZZ MD82 ARRIVED WITH PLT RPT OF #1 ENG LOW IDLE AND SLOW TO SPOOL. I CHKED THE #1 FUEL CTL UNIT MOISTURE TRAP AND ADJUSTED IDLE ON FCU UP 4 CLICKS. I DID NOT PERFORM AN ENG RUN AT GATE BUT DID ENTER INTO LOGBOOK FOR THE CREW TO EVALUATE. CREW DID EVALUATE AND MAKE LOGBOOK ENTRY ENG OP NORMAL. I DID NOT PERFORM AN OP CHK AFTER ADJUSTMENT OF FCU. DID REQUEST CREW EVALUATION. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: CONTACTED MECH WHO STATED HE ADJUSTED THE #1 ENG IDLE DUE TO A LOGBOOK RPT OF ENG IDLE LOW AND SLOW TO ACCELERATE. HE ADJUSTED THE FUEL CTL IDLE SCREW 4 CLICKS, BUT DID NOT RUN THE ENG. THE REF HE USED TO ACCOMPLISH THE WORK WAS THE ENG TRIM PROC WHICH ALLOWS AN 8 CLICK ADJUSTMENT WITH NO SUBSEQUENT ENG RUN. AFTER ADJUSTMENT WAS ACCOMPLISHED AN ITEM WAS ENTERED IN THE LOGBOOK FOR THE OUTBOUND CREW TO COMMENT ON ENG PERFORMANCE. AFTER PUSHBACK AND ENG START NO COM WAS RECEIVED FROM THE CREW ON ENG IDLE PERFORMANCE. LATER LOG ENTRY RPTS ENG OP NORMAL. MECH STATED THE IDLE ADJUSTMENT WAS MADE TO THE FUEL CTL WITH NO MAINT MANUAL REF ENTERED IN THE WORK ACCOMPLISHMENT DOCUMENTS OR THE LOGBOOK ENTRY. MECH STATED HE HAD BEEN INTERVIEWED BY THE FAA.

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.