# SDR HNAA2023011700026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2022
- Submitted: January 17, 2023
- Operation: Air carrier
- Aircraft: [N686AE](https://openairdocs.org/aircraft/N686AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500843
- Aircraft time: 41,169 hours, 37,942 cycles
- System (JASC): [5415 · Nacelle/Pylon, Attach Fittings](https://openairdocs.org/jasc/5415)
- Part: Yoke
- Condition: Cracked
- Location: Lt Nacelle
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2023011700026

## Discrepancy

LEFT PYLON FWD YOKE UPPER FLANGE AFT FASTENER HOLE HAS A RELEVANT INDICATION DURING HFEC ROTOR TEST INSPECTION. FREQ. 500KHZ, ANGLE 151.0 DEGREES, H-GAIN 86.7 DB, V-GAIN 66.1 DB, HP FILTER 400 HZ, LP FILTER 1600 HZ. EASI S/N 8958, 9081  .... INSTALLED SERVICEABLE REPAIR BUSHINGS AND PREPPED AND INSTALLED SERVICEABLE FASTENER AND WASHER ON LH PYLON FWD YOKE UPPER FLANGE AFT HOLE IAW ETD2022-145-036593 AND EMB SB145-54-0008. COMPLIED WITH EO1-54-22-0263

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