Narrative:

An aircraft had a write-up of no electrical power at the mid galley. Upon inspection, chafed wiring above the mid galley at the 2L door was found. The wires were spliced and reterminated using boeing standard wiring practices. I found an area in the wiring practices manual that had conflicting information. Our engineers conferred with boeing and it was determined that the manual was incorrect. My engineer wrote an engineering document to support the correct procedure. There was much confusion as to the correct procedure. Finally, a safe one was given.

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Original NASA ASRS Text

Title: A B767-400. DURING A GALLEY PWR WIRING REPAIR, THE TECHNICIAN FOUND INCORRECT AND CONFLICTING INFO IN THE BOEING STANDARD WIRING PRACTICES MANUAL.

Narrative: AN ACFT HAD A WRITE-UP OF NO ELECTRICAL PWR AT THE MID GALLEY. UPON INSPECTION, CHAFED WIRING ABOVE THE MID GALLEY AT THE 2L DOOR WAS FOUND. THE WIRES WERE SPLICED AND RETERMINATED USING BOEING STANDARD WIRING PRACTICES. I FOUND AN AREA IN THE WIRING PRACTICES MANUAL THAT HAD CONFLICTING INFO. OUR ENGINEERS CONFERRED WITH BOEING AND IT WAS DETERMINED THAT THE MANUAL WAS INCORRECT. MY ENGINEER WROTE AN ENGINEERING DOCUMENT TO SUPPORT THE CORRECT PROC. THERE WAS MUCH CONFUSION AS TO THE CORRECT PROC. FINALLY, A SAFE ONE WAS GIVEN.

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.