What was found
STBY ALT STUCK AT 37500 FOR 500 FEET DURING DESCENT B4 IT BROKE FREE. REMOVED UNSERVICEABLE STBY ALT AND INSTALLED SERVICEABLE STBY ALTIMETER REF AMM 34-13-06-404-002, OPS CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STBY ALT STUCK AT 37500 FOR 500 FEET DURING DESCENT B4 IT BROKE FREE. REMOVED UNSERVICEABLE STBY ALT AND INSTALLED SERVICEABLE STBY ALTIMETER REF AMM 34-13-06-404-002, OPS CHECKED NORMAL.