# SDR 97ZZZX3993

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N33TM
- Make and model: Hughes 369HS
- Registry model: [Hughes 369HS](https://openairdocs.org/model/hughes-369hs) (OpenAirDocs)
- Aircraft serial: 550746S
- System (JASC): [6410 · Tail Rotor Blades](https://openairdocs.org/jasc/6410)
- Part: Blade
- Part number: 369A1613507
- Condition: Cracked
- Location: T/R
- Part time: 3,512 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/97ZZZX3993

## Discrepancy

DURING POST-FLIGHT INSPECTION AFTER APPROXIMATELY A 2-HOUR FLIGHT, PILOT NOTICED PINHOLE IN T/R BLADE LEADING EDGE WITH APPROXIMATELY 1 INCH CRACKS DOWN BOTH SIDES OF BLADES.  THESE BLADES HAD NEW DESIGN ABRASION STRIPS INSTALLED IAW AD 95-03-11 ON 1-2-96 AT PART TTSN 2,505.0 HOURS.  ORIGINAL SKIN INBOARD OF NEW STRIP APPARENTLY ERODED AND/OR CORRODED THROUGH.  RECOMMEND X-RAY (OR OTHER INSPECTION) DURING 5,600 HOUR TIME LIFE.

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