Boeing 737 incident near Guayaquil, Ec, September 24, 2023
On September 24, 2023 at about 6:30 pm local time, a Boeing 737, registered HCCUH, was involved in an incident during enroute (climb to cruise) near Guayaquil. It was flown under scheduled airline rules (Part 121). No one was hurt; 36 people were on board or involved.
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this incident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- September 24, 2023 · about 6:30 pm local time
- Place
- Guayaquil, Ecuador
- Type
- Incident
- Injuries
- No one was hurt; 36 people were on board or involved.
- Weather
- not recorded
- Aircraft
- Boeing 737 5Y0 · all 737s on the register
- Registration
- HCCUH · no longer on the register · serial 24900
- Damage
- Not recorded
- Flight
- Flight · scheduled airline rules (Part 121)
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Pressure/environ sys malf/fail during enroute (climb to cruise) defining event
The aircraft
- Maximum gross weight: 133,500 lb
- Landing gear: fixed
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 4 | |||
| Passengers | 32 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.