# NTSB DEN79IA018: Boeing 737, N7373F, Grand Junction, CO, January 29, 1979

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: January 29, 1979
- Place: Grand Junction, CO · GRAND JUNCTION, CO
- Location: 39.0639° N, 108.5506° W: Placed by OpenAirDocs: center of Grand Junction, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.0639&lon=-108.5506&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 25, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 144104
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN79IA018
- Page: https://openairdocs.org/ntsb/DEN79IA018

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0006  79/1/29    GRAND JUNCTION,CO   BOEING 737          CR-  0  0  2  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1050                    N7373F              PX-  0  0  0                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-NONE         OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - WALKER FIELD
        OPERATOR - FRONTIER AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          DENVER,CO                   GRAND JUNCTION,CO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           SYSTEMS - HYDRAULIC SYSTEM: SEALS
           SYSTEMS - FLIGHT CONTROL SYSTEMS: FLIGHT CONTROL BOOST SYSTEMS, HYDRAULIC
        REMARKS- AILERON CONTROL BECAME STIFF WHILE ON FINAL APPROACH. NUMBER OF PAX ONBOARD NOT DETERMINED.
```

## Aircraft

- Registration: N7373F (not matched to a registry record)
- Reported make and model: BOEING 737
- Category: Airplane
- Engines: turbo jet
- Damage: No damage
- Airport: Walker Field

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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