Narrative:

Air carrier X, columbus, oh. Aircraft in for a check inspection. On nov/mon/94 aircraft XXXX I was assigned the engine part of the a-chk. I performed as required by the work card with regards to the lubrication of the thrust reverser links. In the absence of anti-seize, I used a compound known as XXXX, an adequate substitute according to a lead mechanic at air carrier X. The anti-seize compound company stock number 00- 0340-3-0047 has never been available in columbus to use as called out for in the work cards until nov/xf/94. The warning tags which the work cards call out for when deploying the reversers, have never been readily available or used until after nov/xc/94. The airplane came back to the gate while taxiing. Mechanic found right thrust reverser in the bypass position with the bypass access door closed. There were at least, to my knowledge, 3 people in the area of the right engine the night before. Corrective suggestion: when paperwork calls out for a new compound or lubricant it should be sent or a change not made until every station has it ready to go and use. Corrective suggestion: more attention should be placed on safety with regards to warning tags. Corrective suggestion: thrust reverser bypass levers should be replaced rather than bolted and safety pinned together when a MEL on a reverser is cleared. A reverser bypass door cannot be closed with reverser in the bypass condition the way mcdonnell-douglas designed it.

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Original NASA ASRS Text

Title: RPTR MECH PERFORMING 'A' CHK HAS ACFT REVERSER DISCREPANCIES REQUIRING ACFT RETURN TO MAINT.

Narrative: ACR X, COLUMBUS, OH. ACFT IN FOR A CHK INSPECTION. ON NOV/MON/94 ACFT XXXX I WAS ASSIGNED THE ENG PART OF THE A-CHK. I PERFORMED AS REQUIRED BY THE WORK CARD WITH REGARDS TO THE LUBRICATION OF THE THRUST REVERSER LINKS. IN THE ABSENCE OF ANTI-SEIZE, I USED A COMPOUND KNOWN AS XXXX, AN ADEQUATE SUBSTITUTE ACCORDING TO A LEAD MECH AT ACR X. THE ANTI-SEIZE COMPOUND COMPANY STOCK NUMBER 00- 0340-3-0047 HAS NEVER BEEN AVAILABLE IN COLUMBUS TO USE AS CALLED OUT FOR IN THE WORK CARDS UNTIL NOV/XF/94. THE WARNING TAGS WHICH THE WORK CARDS CALL OUT FOR WHEN DEPLOYING THE REVERSERS, HAVE NEVER BEEN READILY AVAILABLE OR USED UNTIL AFTER NOV/XC/94. THE AIRPLANE CAME BACK TO THE GATE WHILE TAXIING. MECH FOUND R THRUST REVERSER IN THE BYPASS POS WITH THE BYPASS ACCESS DOOR CLOSED. THERE WERE AT LEAST, TO MY KNOWLEDGE, 3 PEOPLE IN THE AREA OF THE R ENG THE NIGHT BEFORE. CORRECTIVE SUGGESTION: WHEN PAPERWORK CALLS OUT FOR A NEW COMPOUND OR LUBRICANT IT SHOULD BE SENT OR A CHANGE NOT MADE UNTIL EVERY STATION HAS IT READY TO GO AND USE. CORRECTIVE SUGGESTION: MORE ATTN SHOULD BE PLACED ON SAFETY WITH REGARDS TO WARNING TAGS. CORRECTIVE SUGGESTION: THRUST REVERSER BYPASS LEVERS SHOULD BE REPLACED RATHER THAN BOLTED AND SAFETY PINNED TOGETHER WHEN A MEL ON A REVERSER IS CLRED. A REVERSER BYPASS DOOR CANNOT BE CLOSED WITH REVERSER IN THE BYPASS CONDITION THE WAY MCDONNELL-DOUGLAS DESIGNED IT.

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.