# NTSB DCA17WA189: Airbus A320 233, N491TA, Lima, Peru, August 27, 2017

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: August 27, 2017, 22:33 local (22:33 UTC)
- Place: Lima, Peru
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Pressure/environ sys malf/fail](https://openairdocs.org/ntsb-events/331)
- Highest injury: No injuries
- Injuries: 134 uninjured
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 95939
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA17WA189
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/95939/pdf
- Page: https://openairdocs.org/ntsb/DCA17WA189

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Enroute: Pressure/environ sys malf/fail](https://openairdocs.org/ntsb-events/331) (defining event); cases with it: [Airbus A320-233, 1 case](https://openairdocs.org/ntsb-events/331/sequence.md?model=3940329), [All aircraft, 116 cases](https://openairdocs.org/ntsb-events/331/sequence.md)

## Factual narrative

The Comisión de Investigación de Accidentes de Aviación (CIAA) of Peru has notified the NTSB of an incident involving a AIRBUS A320 233 airplane that occurred on August 27, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Peru's investigation under the provisions of ICAO Annex 13.All investigative information will be released by the CIAA.

## Aircraft

- Registration: [N491TA](https://openairdocs.org/deregistered/N491TA-2023-08-26), registration cancelled 2023-08-26, S/N 2301, built 2004 (OpenAirDocs)
- Reported make and model: AIRBUS A320 233 (233)
- Registry model: [Airbus A320-233](https://openairdocs.org/model/airbus-a320-233) (registry code 3940329) (OpenAirDocs)
- Registry engine: [IAE V2500SERIES](https://openairdocs.org/engine/iae-v2500series) (registry code 34601, turbo-jet) (OpenAirDocs)
- Category: Airplane
- Serial number: 2301
- Engines: IAE V2500SERIES 9895 horsepower turbo fan; IAE V2500SERIES 9895 horsepower turbo fan
- Damage: No damage
- Flight: Non-U.S., commercial
- Operator: Trans America Air Lines
- Registered owner: Wells Fargo Bank Northwest Na Trustee
- Airworthiness certificate: Standard, Transport

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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