What was found
THE FLEX COUPLER COULD NOT BE INSTALLED DUE TO MISALIGNMENT OF GENERATOR DUCT (APU) AND ASSOCIATED DUCT ON RIGHT HAND SIDE OF FUSELAGE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE FLEX COUPLER COULD NOT BE INSTALLED DUE TO MISALIGNMENT OF GENERATOR DUCT (APU) AND ASSOCIATED DUCT ON RIGHT HAND SIDE OF FUSELAGE.