What was found
NR 1 ENGINE STARTER DRIVESHAFT SHEARED. SUSPECT CAUSED BY ERRATIC PRESSURE PULSES FROM APU AIR SUPPLY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 1 ENGINE STARTER DRIVESHAFT SHEARED. SUSPECT CAUSED BY ERRATIC PRESSURE PULSES FROM APU AIR SUPPLY.