What was found
DIVERSION, CABIN ALTITUDE WARNING HORN SOUNDED, BOTH A/C PACKS SET IN HIGH AND NO HELP, OUTFLOW VALVE INDICATED FULL CLOSED. REMOVED AND REPLACED CABIN PRESS CONTROL PANEL AND RESEALED L1 DOOR HINGE AREAS PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DIVERSION, CABIN ALTITUDE WARNING HORN SOUNDED, BOTH A/C PACKS SET IN HIGH AND NO HELP, OUTFLOW VALVE INDICATED FULL CLOSED. REMOVED AND REPLACED CABIN PRESS CONTROL PANEL AND RESEALED L1 DOOR HINGE AREAS PER MM.