Pilot reported a cargo door failure during approach to land.

Attributes
ACN	1757662
Time
Date	202008
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.Tower
State Reference	US
Environment
Light	Daylight
Aircraft 1
Make Model Name	Small Aircraft
Operating Under FAR Part	Part 91
Flight Phase	Final Approach
Route In Use	Visual Approach
Flight Plan	VFR
Component
Aircraft Component	Window
Person 1
Function	Instructor Pilot Not Flying Captain
Qualification	Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Instructor
Experience	Flight Crew Last 90 Days 68 Flight Crew Total 14000 Flight Crew Type 230
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy

Narrative:

On final approach and after deploying final flaps to land a loud noise was heard. No adverse affect was noticed in handling of aircraft and no sign of obvious problems. Continued to land normally and cleared runway to ramp. Upon exiting aircraft it was observed that the cargo door window had left the aircraft and upon doing so had began to remove some sheet metal from the aircraft frame. Reported same to owner and maintenance. No sign of or recovery of the window as of this reporting.no injuries or other damage was noted.

Original NASA ASRS Text

Title: Pilot reported a cargo door failure during approach to land.

Narrative: On final approach and after deploying final flaps to land a loud noise was heard. No adverse affect was noticed in handling of aircraft and no sign of obvious problems. Continued to land normally and cleared runway to ramp. Upon exiting aircraft it was observed that the cargo door window had left the aircraft and upon doing so had began to remove some sheet metal from the aircraft frame. Reported same to owner and maintenance. No sign of or recovery of the window as of this reporting.No injuries or other damage was noted.

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.