# Incident 19911024057319I: Boeing 747122, Denver, CO, October 24, 1991

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: October 24, 1991, 14:00 local time
- Place: Denver, CO
- Airport: Stapleton International
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Air carrier (Part 121)
- Operator: UALA
- Location: 39.7892° N, 104.9603° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.7892&lon=-104.9603&mi=10
- Aircraft: N4719U, a cancelled registration (https://openairdocs.org/deregistered/N4719U-1998-08-06) (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: 3
- Fatal injuries: 0
- NTSB investigation: [NTSB DEN92IA005](https://openairdocs.org/ntsb/DEN92IA005) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19911024057319I

## Narrative

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

HAD PITCH CONTROL MALFUNCTION EN ROUTE. DIVERTED TO DENVER. FOUND CADC AND ELEVATOR FIELD COMPUTERS INOPERATIVE.

## The NTSB's investigation of this event (1)

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.

- [NTSB DEN92IA005](https://openairdocs.org/ntsb/DEN92IA005), Oct 24, 1991: Boeing 747-122 (N4719U), Denver, CO, incident, no damage. Probable cause: A MALFUNCTION IN THE STABILIZER TRIM CONTROL MODULE.

## Other reports on N4719U (6)

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

- [Incident 19930316011089I](https://openairdocs.org/incident/19930316011089I), Mar 16, 1993: Boeing 747122 (N4719U), Washington, DC, Minor damage. Appears pilot struck a baggage cart on taxiout to runway. Evidence that NR4 engine cowl contacted cart.
- [Incident 19820118004189I](https://openairdocs.org/incident/19820118004189I), Jan 18, 1982: Boeing 747122 (N4719U), Chicago, IL. Za returned due to water leak in galley. Galley heater line broken.
- [Incident 19810111005339I](https://openairdocs.org/incident/19810111005339I), Jan 11, 1981: Boeing 747122 (N4719U), Chicago, IL. Loud bang at 90 knots. Returned to the gate. Maintenance could not find any engine or aircraft problem
- [Incident 19801228088159I](https://openairdocs.org/incident/19801228088159I), Dec 28, 1980: Boeing 747122 (N4719U), Honolulu, HI. Due to improper instructions from ground control, 747 crossed path of aircraft taking off, causing him to abort.
- [Incident 19800613053469I](https://openairdocs.org/incident/19800613053469I), Jun 13, 1980: Boeing 747122 (N4719U), Chicago, IL. Car drove too close to taxiing aircraft and was blown over by jet blast.
- [Incident 19790222006859I](https://openairdocs.org/incident/19790222006859I), Feb 22, 1979: Boeing 747122 (N4719U), Needles, CA, Substantial damage. Wing panel section departed aircraft at FL370. Fuel dumped and uneventful landing made.

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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