<< >> NASA ASRS Report 1343559, March 2016

On an MD83; when making a structure repair; the repair person inadvertently drilled into the frame behind the doubler.

Attributes
ACN	1343559
Time
Date	201603
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Aircraft 1
Make Model Name	MD-83
Operating Under FAR Part	Part 121
Flight Phase	Parked
Component
Aircraft Component	Fuselage
Person 1
Function	Other / Unknown
Events
Anomaly	Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy

Narrative:

I was assigned a structure repair I have never done before and in an area I have never worked. I laid out the repair and asked the crew chief if that looked about right he said yes. I continued on with installing fastener holes using a drill stop until the repair was ready to install. I got clearance to install and installed the doubler. I came into work the next day to find out I had inadvertently drilled into the frame behind the doubler.

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Original NASA ASRS Text

Title: On an MD83; when making a structure repair; the repair person inadvertently drilled into the frame behind the doubler.

Narrative: I was assigned a structure repair I have never done before and in an area I have never worked. I laid out the repair and asked the crew chief if that looked about right he said yes. I continued on with installing fastener holes using a drill stop until the repair was ready to install. I got clearance to install and installed the doubler. I came into work the next day to find out I had inadvertently drilled into the frame behind the doubler.

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.