Maintenance technician described aircraft damage event when taxiing aircraft into hangar area and damaging strapped cowling of parked aircraft.

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Attributes
ACN	782330
Time
Date	200801
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B757-200
Flight Phase	ground : taxi ground : parked
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
ASRS Report	782330
Events
Anomaly	non adherence : company policies non adherence : published procedure
Independent Detector	other other : 1
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Problem Areas	Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Taxied a B777 into parking for hangar bay. Made right turn in front of B757 that had #2 engine removed and all cowls held open with engine chg boot strap system; air movement from taxiing B777 blew #2 engine outboard fan cowl off of the pylon and over the wing. The cowl separated just below the hinge point.

Original NASA ASRS Text

Title: MAINT TECHNICIAN DESCRIBED ACFT DAMAGE EVENT WHEN TAXIING ACFT INTO HANGAR AREA AND DAMAGING STRAPPED COWLING OF PARKED ACFT.

Narrative: TAXIED A B777 INTO PARKING FOR HANGAR BAY. MADE R TURN IN FRONT OF B757 THAT HAD #2 ENG REMOVED AND ALL COWLS HELD OPEN WITH ENG CHG BOOT STRAP SYS; AIR MOVEMENT FROM TAXIING B777 BLEW #2 ENG OUTBOARD FAN COWL OFF OF THE PYLON AND OVER THE WING. THE COWL SEPARATED JUST BELOW THE HINGE POINT.

Data retrieved from NASA's ASRS site as of May 2009 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.