As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT OVERWEIGHT. DURING CRUISE THE CTR HYD QTY LIGHT ILLUMINATED. FOUND A LOOSE B NUT ON THE SEQUENCE VLV IN THE LT WW. TIGHTENED NUT & SERVICED HYD TO FULL. PERFORMED LEAK CHECK IAW AMM 12-12-01 & AMM 32-32-11. SYS CHECKED NORMAL.