SDR HEEA968649

Service difficulty report · Nozzle · Bolkms BO105S

Difficulty date: December 10, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N9190Y
Make and model: Bolkms BO105S
Aircraft serial: S669
Engine: Allsn 250C20B
System (JASC): 7250 · Turbine Section
Part: Nozzle
Part number: 6851531
Condition: Out Of Limits
Location: Nr 14
Part time: 258 hours
Component: 6898735
Stage of operation: IN
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

TURBINE REMOVED DUE TO 1750 HOUR INSPECTION. UPON INSPECTION OF TURBINE PARTS NOTED: GROOVED AND EXCESSIVE RUNOUT BEYOND SERVICEABLE LIMITS ON #4 NOZZLE 3RD STAGE TIP PATH (T/R .0055) AND 4TH STAGE TIP PATH (T/R .005) MAX ALLOWABLE TIP PATH RUNOUT.004. INSTALLED A DALLAS AIRMOTIVE OVERHAULED #4 NOZZLE. PART SENT TO DALLAS AIRMOTIVE, ATTN: EDITH WILLIAMS FOR 100% WARRANTY REPAIR PER GARY GENTZ INSTRUCTION.