# SDR FDEA202008059477

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2020
- Submitted: August 5, 2020
- Operation: Air carrier
- Aircraft: [N722FD](https://openairdocs.org/aircraft/N722FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 479
- Aircraft time: 57,120 hours, 30,535 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Switch
- Part number: NSA93203001
- Condition: Worn
- Location: R1 Door
- 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/FDEA202008059477

## Discrepancy

R1 MAIN CABIN ENTRY DOOR SLIDE WILL NOT ARM.  IAW TSM 52-70-00, CHECKED FOR GROUND AT R1 DOOR LIMIT SWITCHES. FOUND EXCESSIVE RESISTANCE AT PIN "E" OF LIMIT SWITCH 1 (42WS), AND OPEN FOUND AT PIN "E" OF LIMIT SWITCH 2 (8WS). NO TIME TO FURTHER TROUBLESHOOT DUE TO HIGHER PRIORITY MAINTENANCE.   REMOVED AND INSTALLED BOTH 8WS AND 42WS SWITCHES IAW AMM 52-71-00-04-01, CHECKS GOOD

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