# Incident 19800301027969I: Boeing 747122, Denver, CO, March 1, 1980

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: March 1, 1980, 18:28 local time
- Place: Denver, CO
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: UALA
- Location: 39.7392° N, 104.9847° W: Placed by OpenAirDocs: center of Denver, CO, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7392&lon=-104.9847&mi=10
- Aircraft: N4735U, a cancelled registration (https://openairdocs.org/deregistered/N4735U-1998-05-04) (OpenAirDocs)
- Registry model: Boeing 747-122 (registry code 1384872, https://openairdocs.org/model/boeing-747-122) (OpenAirDocs)
- Reported make and model: BOEING 747122
- People aboard: 106
- Fatal injuries: 0
- Pilot flight hours: 0 in this make and model, 0 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19800301027969I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

#1R WINDSHIELD CRACKED & LEAKED AIR. AIRPLANE WAS DEPRESSURIZED & MADE UNSCHEDULED LANDING EN ROUTE.

## Other reports on N4735U (4)

Matched to the same aircraft by N-number and date.

- [Incident 19931022047999I](https://openairdocs.org/incident/19931022047999I), Oct 22, 1993: Boeing 747122 (N4735U), Washington, DC. NR1 engine experienced compressor stall on climb. Shut engine down. Returned. Found metal in tail pipe.
- [Incident 19920131005599I](https://openairdocs.org/incident/19920131005599I), Jan 31, 1992: Boeing 747122 (N4735U), Los Angeles, CA. Aircraft departed without the emergency escape hatch properly latched. Returned. Hatch secured after landing.
- [Incident 19890114006679I](https://openairdocs.org/incident/19890114006679I), Jan 14, 1989: Boeing 747122 (N4735U), Honolulu, HI, Minor damage. Compressor stall NR1 engine on takeoff roll. Aborted safely. Noted short engine fire. Turbine blades failed.
- [Incident 19850130006269I](https://openairdocs.org/incident/19850130006269I), Jan 30, 1985: Boeing 747122 (N4735U), Chicago, IL, Minor damage. Baggage container was driven into reverser cowl of nr 4 engine.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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