A B757-200 during #1 engine borescope inspection it was noted the job card had no procedure or signoff for the borescope plug removal and reinstallation.

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Attributes
ACN	415474
Time
Date	199809
Day	Mon
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : zzz
State Reference	US
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	other
Flight Plan	None
Person 1
Affiliation	company : air carrier
Function	other personnel other
Qualification	other other : other
ASRS Report	415474
Person 2
Affiliation	company : air carrier
Function	other personnel other
Qualification	other other : other
Events
Anomaly	aircraft equipment problem : critical non adherence : published procedure non adherence : far
Independent Detector	other other : unspecified
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

No paperwork for remove and reinstall of borescope plugs and gear box cover for hourly reinspect request. Without having paperwork to perform back check there is a possibility that the plugs or gear box collar could be left out.

Original NASA ASRS Text

Title: A B757-200 DURING #1 ENG BORESCOPE INSPECTION IT WAS NOTED THE JOB CARD HAD NO PROC OR SIGNOFF FOR THE BORESCOPE PLUG REMOVAL AND REINSTALLATION.

Narrative: NO PAPERWORK FOR REMOVE AND REINSTALL OF BORESCOPE PLUGS AND GEAR BOX COVER FOR HRLY REINSPECT REQUEST. WITHOUT HAVING PAPERWORK TO PERFORM BACK CHK THERE IS A POSSIBILITY THAT THE PLUGS OR GEAR BOX COLLAR COULD BE LEFT OUT.

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.