What was found
LOST CABIN PRESSURE AT FL 400. REMOVED & REPLACED SECONDARY DOOR SEAL. DOOR SUPPLY GROMMET & CHECK VALVE IAW CESSNA 560 M/M CHPT. 52-10-01, 52-10-00 & 21-30-00. SYSTEM OPS & LEAK CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOST CABIN PRESSURE AT FL 400. REMOVED & REPLACED SECONDARY DOOR SEAL. DOOR SUPPLY GROMMET & CHECK VALVE IAW CESSNA 560 M/M CHPT. 52-10-01, 52-10-00 & 21-30-00. SYSTEM OPS & LEAK CHECKS GOOD.