# SDR DALA2019101765968

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2019
- Submitted: October 17, 2019
- Operation: Air carrier
- Aircraft: [N335NB](https://openairdocs.org/aircraft/N335NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1662
- Aircraft time: 48,439 hours, 25,193 cycles
- System (JASC): [2620 · Extinguishing System](https://openairdocs.org/jasc/2620)
- Part: Control Unit
- Condition: Malfunctioned
- Location: Extinguisher
- Stage of operation: IN
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019101765968

## Discrepancy

DISCH LTS ON FOR BOTH FWD AND AFT CARGO AT CRUISE AND DESCENT. LTS EXTINGUISHED AT 2000 PRIOR TO LDG. T/S PER TSM 23-23-00-810-803-A. CARGO FIRE/SMOKE TEST OK. REMOVED AND REPLACED SDCU (10WQ) PER AMM 26-17. OPERATIONAL TEST GOOD. NO ON GROUND FAULTS. CARGO FIRE TEST OK. OK FOR SVC.

---
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.
