# SDR AALA202101089008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2020
- Submitted: January 8, 2021
- Operation: Air carrier
- Aircraft: [N709UW](https://openairdocs.org/aircraft/N709UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 0997
- Aircraft time: 57,939 hours, 33,855 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Relay
- Part number: E024428A0
- Condition: Defective
- Location: L1 Door
- Stage of operation: IN
- How discovered: V
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202101089008

## Discrepancy

AIRCRAFT WAS GROUNDED.  CABIN PRESS DOOR LIGHT CAME ON IN FLIGHT INTERMITTENTLY L1 DOOR.  INITIAL TROUBLESHOOTING FOUND THE SLIDE WAS PRESSING AGAINST THE ARMING LEVER LINKAGE CAUSING THE ARMING LEVER TO SPRING BACK RESULTING IN THE PRESSURIZATION WARNING LIGHT TO INTERMITTENTLY FLASH.  SUPPLEMENTAL REPORT: REPLACED SLIDE PER TASK CARD 26L00025011 (AALA202012249014) AND FURTHER TROUBLE SHOOTING FOUND RELAY 3EN1 BAD WHICH WAS REPLACED, PER ESPM 20-46-50.  A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED (AALA202101089008).  SUPPLEMENTAL CLOSED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.