# SDR F3LA2020022530012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2020
- Submitted: February 27, 2020
- Operation: Air carrier
- Aircraft: [N323FR](https://openairdocs.org/aircraft/N323FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 07925
- Aircraft time: 8,533 hours, 3,561 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Switch
- Part number: 4441085
- Part serial: 410850005586
- Condition: Failed
- Location: Cabin Pressure
- Part time: 8,534 hours, 3,561 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/F3LA2020022530012

## Discrepancy

PASSENGER O2 SYSTEM ACTUATED DURING FLIGHT FOR UNKNOWN REASON. 02/27/2020 SUPPLEMENT - CORRECTIVE ACTION: REFERENCE PEMCO NR 2788N3 AND LP1254353 ITEM 1, CABIN ALTITUDE PRESSURIZATION SWITCH FOUND FAULTY. REMOVED AND REPLACED CABIN ALTITUDE PRESSURIZATION SWITCH (16WR), OPS CHECK GOOD IAW A320 AMM 35-23-00-720-002-A.

---
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.