# SDR HYIA836HC201116

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2011
- Submitted: October 27, 2011
- Operation: Air carrier
- Aircraft: N42836
- Make and model: Aerosp ATR 42-320
- Registry model: [Aerosp ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (OpenAirDocs)
- Aircraft serial: 200
- Aircraft time: 36,410 hours, 43,608 cycles
- System (JASC): [7100 · Powerplant System](https://openairdocs.org/jasc/7100)
- Part: Cowling
- Part number: 541106293
- Condition: Cracked
- Location: Zone 400
- Part time: 36,410 hours, 43,608 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/HYIA836HC201116

## Discrepancy

DURING HEAVY CHECK A CRACK WAS FOUND ON A BEAM IN THE LT LOWER ENGINE COWLING. THE DAMAGE CONSISTS OF A SINGLE CRACK 1.8" LONG THAT RUNS BETWEEN 2 LIGHTNING HOLES IN THE BEAM.  THE CRACK WAS REPAIRED IAW STS ENGINEERING SOLUTIONS EA 12-2011-013.  REPAIR PERFORMED BY TECH SERVICES UNDER W/O 17010.

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