# SDR HYIA20181003007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2018
- Submitted: October 3, 2018
- Operation: Air carrier
- Aircraft: [N771EA](https://openairdocs.org/aircraft/N771EA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0046
- Aircraft time: 29,756 hours, 36,390 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Beam
- Part number: 565410411
- Condition: Cracked
- Location: Lt Nacelle
- Part time: 29,756 hours, 36,390 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20181003007

## Discrepancy

DURING MAINTENANCE A CRACK WAS FOUND ON THE AFT SIDE OF THE LEFT NACELLE CROSSOVER BEAM (P/N: 5654104-11) THIS CRACK BEGINS AT THE UPPER INBOARD FASTENER HOLE COMMON TO THE TURBOCHARGER MOUNTING BRACKET, AND MEASURES APPROXIMATELY .371 INCHES LONG. THIS BEAM WILL BE REPLACED WITH A NEW BEAM.

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