# SDR 98ZZZX1704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N911TG](https://openairdocs.org/aircraft/N911TG), registered now
- Make and model: Bolkms BK117B1
- Aircraft serial: 7506
- System (JASC): [6410 · Tail Rotor Blades](https://openairdocs.org/jasc/6410)
- Part: Blade
- Part number: 117317411
- Condition: Cracked
- Location: T/R
- Part time: 1,087 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX1704

## Discrepancy

DURING A PRE-FLIGHT INSPECTION, THE MECHANIC FOUND A 3 INCH CRACK AT THE ROOT END OF TAIL ROTOR BLADE.  THIS IS THE THIRD EVENT.  11-18-94, 198.4 HRS, S/N 116/118.  5-3-96, 1,050.1 HRS, S/N 103/104.  858.5 HOURS ON THE BLADES, SAME P/N.

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