During tire change on B787 aircraft maintenance technician observed brake sleeve missing.

Attributes
ACN	1643269
Time
Date	201904
Place
Locale Reference	ZZZ.Airport
State Reference	US
Aircraft 1
Make Model Name	B787-800
Operating Under FAR Part	Part 121
Flight Phase	Parked
Person 1
Function	Technician
Qualification	Maintenance Powerplant Maintenance Airframe
Person 2
Function	Technician
Qualification	Maintenance Powerplant Maintenance Airframe
Events
Anomaly	Deviation - Procedural Published Material / Policy Deviation - Procedural Maintenance

Narrative:

Working aircraft X for tire change write up on number one tire for wear found brake not centered on axle. Removed brake assembly for further inspection and noted brake sleeve missing. Inspection came out to identify damage to axle.

Original NASA ASRS Text

Title: During tire change on B787 aircraft Maintenance Technician observed brake sleeve missing.

Narrative: Working Aircraft X for tire change write up on number one tire for wear found brake not centered on axle. Removed brake assembly for further inspection and noted brake sleeve missing. Inspection came out to identify damage to axle.

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.