As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF PRESSURIZATION AT FL 390 FOLLOWING LOSS OF RT ENG BLEED DECLARED EMERGENCY AND DECENDED TO 10,000. PERFORMED RUNUP AND TEST OF BLEED SYSTEMS ON BOTH ENGINES REF MM 36-11-00-5. BOTH BLEEDS PASSED TESTS. PRESSURES AND TEMPS WERE NORMAL DURING AN EXTENDED RUNUP.