6/02
2-60
DC1632/2240
4-417, 4-420
Prelaunch Training/Review
Status Indicator RAPs
4-417 1st BTR Unit
IBT Belt Unit near end of life.
Procedure
Replace the IBT Belt Unit. The problem continues.
YN
Return to Service Call Procedures.
Replace the MCU PWB (PL 13.1)
If the problem continues, replace the MCU NVM PWB (PL 13.1)
4-420 1st BTR Unit
IBT Belt Unit end of life.
Procedure
Replace the 1st IBT Belt Unit The problem continues.
YN
Return to Service Call Procedures.
Replace the MCU PWB (PL 13.1).
If the problem continues, replace the MCU NVM PWB (PL 13.1).