That file on chapter db doesn’t match what I get from my copy. I’ll post it here:
CHAPTER01=00:00:00.000
CHAPTER01NAME=Opening Logos
CHAPTER02=00:00:21.000
CHAPTER02NAME=Return of the Jedi
CHAPTER03=00:01:55.167
CHAPTER03NAME=Vader’s Unexpected Visit
CHAPTER04=00:05:00.634
CHAPTER04NAME=Arrival at Jabba’s Palace
CHAPTER05=00:08:10.468
CHAPTER05NAME=A Message and a Gift
CHAPTER06=00:12:21.968
CHAPTER06NAME=The Max Rebo Band
CHAPTER07=00:13:55.135
CHAPTER07NAME=The Price for Chewbacca
CHAPTER08=00:17:06.469
CHAPTER08NAME=Free from the Carbonite
CHAPTER09=00:21:40.303
CHAPTER09NAME=Enter The Jedi
CHAPTER10=00:24:38.303
CHAPTER10NAME=“Oh No! The Rancor!”
CHAPTER11=00:29:07.137
CHAPTER11NAME=On the Sail Barge
CHAPTER12=00:30:43.005
CHAPTER12NAME=The Sarlacc Pit
CHAPTER13=00:36:56.138
CHAPTER13NAME=The Emperor Arrives
CHAPTER14=00:38:44.305
CHAPTER14NAME=Yoda’s Twilight
CHAPTER15=00:44:28.972
CHAPTER15NAME=A Certain Point of View
CHAPTER16=00:47:34.639
CHAPTER16NAME=Rebel Briefing
CHAPTER17=00:50:46.840
CHAPTER17NAME=Lending the Falcon
CHAPTER18=00:52:43.007
CHAPTER18NAME=The Emperor’s Instructions
CHAPTER19=00:53:35.507
CHAPTER19NAME=Flying Casual
CHAPTER20=00:56:05.507
CHAPTER20NAME=Arrival on Endor
CHAPTER21=00:57:54.007
CHAPTER21NAME=Speeder Bike Chase
CHAPTER22=01:01:51.507
CHAPTER22NAME=Leia Meets Wicket
CHAPTER23=01:05:29.007
CHAPTER23NAME=Vader’s Report
CHAPTER24=01:06:57.174
CHAPTER24NAME=An Ewok Trap
CHAPTER25=01:11:10.341
CHAPTER25NAME=The Golden God
CHAPTER26=01:15:02.175
CHAPTER26NAME=Campfire Stories
CHAPTER27=01:17:23.842
CHAPTER27NAME=Brother and Sister
CHAPTER28=01:21:39.842
CHAPTER28NAME=Luke Surrenders
CHAPTER29=01:25:15.342
CHAPTER29NAME=Rebel Recon
CHAPTER30=01:26:00.509
CHAPTER30NAME=The Alliance Fleet
CHAPTER31=01:26:59.509
CHAPTER31NAME=Back Door
CHAPTER32=01:29:13.009
CHAPTER32NAME=Luke and The Emperor
CHAPTER33=01:32:27.176
CHAPTER33NAME=“It’s a Trap!”
CHAPTER34=01:35:49.343
CHAPTER34NAME=Ewok Attack
CHAPTER35=01:39:32.877
CHAPTER35NAME=Fully Operational
CHAPTER36=01:41:30.711
CHAPTER36NAME=The Battle Rages
CHAPTER37=01:43:35.211
CHAPTER37NAME=The Dark Side Beckons
CHAPTER38=01:44:34.244
CHAPTER38NAME=The Ewoks Turn the Tide
CHAPTER39=01:47:49.544
CHAPTER39NAME=Father vs, Son
CHAPTER40=01:49:47.711
CHAPTER40NAME=Taking the Bunker
CHAPTER41=01:50:44.045
CHAPTER41NAME=A Jedi’s Fury
CHAPTER42=01:53:43.879
CHAPTER42NAME=The Shield is Down
CHAPTER43=01:54:15.213
CHAPTER43NAME=Force Lightning
CHAPTER44=01:55:04.213
CHAPTER44NAME=Vader’s Redemption
CHAPTER45=01:56:46.747
CHAPTER45NAME=Into The Death Star
CHAPTER46=01:58:40.715
CHAPTER46NAME=Anakin Unmasked
CHAPTER47=02:01:05.215
CHAPTER47NAME=Death Star Destroyed
CHAPTER48=02:03:56.749
CHAPTER48NAME=Funeral Pyre
CHAPTER49=02:04:33.216
CHAPTER49NAME=Celebration
CHAPTER50=02:06:21.050
CHAPTER50NAME=End Credits
Well, I pasted this list into TS Muxer’s chapter tab and there are no chapter in the muxed AVCHD.