What was found
(CAN) DURING PRE-INSTALLATION INSPECTION, IT WAS NOTICED THAT THERE WAS EXCESSIVE GAP BETWEEN THE SEAL AND THE ROTOR. GAP WAS MEASURED AT 0.022 INCHES. IRM 72-IR-15 R9 STATES THAT THE GAP SHOULD BE NO LARGER THAN 0.010 INCHES.
- Difficulty date
- July 30, 2000
- Submitted
- August 14, 2000
- Operation
- General aviation
- Engine
- Garrtt TPE331*
- System (JASC)
- 7250 · Turbine Section
- Part
- Seal
- Part number
- 31015701
- Condition
- Failed
- Location
- Labyrinth Seal
- Part time
- 2,680 hours, 3,398 cycles
- Component
- Turbine Rotor · Alidsg · 310210610
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.