# SDR 2018FA0000486

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2018
- Submitted: November 20, 2018
- Operation: General aviation
- Make and model: Frchld FH227D
- Aircraft serial: DC859
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Keelbeam
- Condition: Cracked
- Location: Nacelle
- 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/2018FA0000486

## Discrepancy

INSPECTION DETECTED CRACKS IN THE LEFT AND RIGHT NACELLES AT N.S 136-137 IN THE KEELSON WEBS ADJACENT TO THE BATTERY BOX AREA. NUMEROUS MILITARY SA227-DC HAVE BEEN IDENTIFIED WITH CRACKING. EO NUMBER SA227-0147 IS ESTABLISH TO PROVIDED THE MAJOR REPAIR PROCEDURES. ONLY MILITARY AIRCRAFT HAVE BEEN INSPECTED EVEN THOUGHT THE MANUFACTURE FAIRCHILD HAS BEEN NOTIFIED. THERE IS A MJOR CONCERN ABOUT THE CRACKING GOING UNDETECTED IN THE N REGISTERED FLEET.

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