Technician reported company deviated from approved maintenance procedures when repairing a fuel leak...

Attributes
ACN	1711523
Time
Date	201912
Local Time Of Day	1801-2400
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Route In Use	Oceanic
Flight Plan	IFR
Component
Aircraft Component	Fuel Tank Cap
Person 1
Function	Technician
Qualification	Maintenance Airframe Maintenance Powerplant
Events
Anomaly	Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy Deviation - Procedural Maintenance

Narrative:

Aircraft X diverted to ZZZ with a left hand wing fuel leak. This was the second diversion in two days and the third in a month. Maintenance found the left hand wing overwing fill port leaking. Maintenance control called an outside vendor group to do the repairs. The repairs required fuel tank entry per gmm 05-xx-xx item X company fuel tank repair team will support all international locations. The company deviated from this policy. Company also sent a non-tank entry qualified inspector to perform the buyback task in amm 28-xx-xx-XXX-XXX this amm is also written wrong 28-xx-xx-XXX-XXX item X has you closing up the fuel panel after leak checks this item should be moved between item xx and xy.

Original NASA ASRS Text

Title: Technician reported company deviated from approved maintenance procedures when repairing a fuel leak.

Narrative: Aircraft X diverted to ZZZ with a left hand wing fuel leak. This was the second diversion in two days and the third in a month. Maintenance found the left hand wing overwing fill port leaking. Maintenance Control called an outside vendor group to do the repairs. The repairs required fuel tank entry per GMM 05-XX-XX item X Company fuel tank repair team will support all international locations. The company deviated from this policy. Company also sent a non-tank entry qualified inspector to perform the buyback task in AMM 28-XX-XX-XXX-XXX this AMM is also written wrong 28-XX-XX-XXX-XXX item X has you closing up the fuel panel after leak checks this item should be moved between item XX and XY.

Data retrieved from NASA's ASRS site 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.