As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT ARRIVED MISSING FUEL CAP SAN MX REPORTS, NO FUEL CAP PRESENT DURING WALK AROUND. PLACING ON CDL 28A, TECH CONFIRMED NO LEAKS OR DMG AT COUPLING LOCATION. PLACARD IS INSTALLED. INSTALLED MISSING REFUEL/DEFUEL COUPLING-CAP CHAIN-ASSEMBLY REFERENCE AMM 28-25-41-400-007-A.