What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Flight crew departed from fll upon reaching FL29,000 cabin started to depressurize. Cabin reached FL11,000 ft. (02 masks did not drop). Aircraft returned to fll. On arrival maintenance found outflow valves closed and 1 and 2 mode on status page. Reset both cabin controllers and bite check carried out no fault found, all door seals inspected and pressure checked carried out, system found serviceagle iaw amm 21-31-02 and 21-31-00 P501. Aircraft returned to service.
As the FAA filed it
(-23) FLIGHT CREW DEPARTED FROM FLL UPON REACHING FL29,000 CABIN STARTED TO DEPRESSURIZE. CABIN REACHED FL11,000 FT. (02 MASKS DID NOT DROP). AIRCRAFT RETURNED TO FLL. ON ARRIVAL MAINTENANCE FOUND OUTFLOW VALVES CLOSED AND 1 AND 2 MODE ON STATUS PAGE. RESET BOTH CABIN CONTROLLERS AND BITE CHECK CARRIED OUT NO FAULT FOUND, ALL DOOR SEALS INSPECTED AND PRESSURE CHECKED CARRIED OUT, SYSTEM FOUND SERVICEAGLE IAW AMM 21-31-02 AND 21-31-00 P501. AIRCRAFT RETURNED TO SERVICE.