# NTSB CHI74IC090: Douglas DC-10, N106AA, Earlville, IL, May 14, 1974

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: May 14, 1974
- Place: Earlville, IL · EARLVILLE, IL
- Location: 41.5881° N, 88.9230° W: Placed by OpenAirDocs: center of Earlville, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.5881&lon=-88.9230&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 116 uninjured
- Status: Completed, report July 15, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 170216
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI74IC090
- Page: https://openairdocs.org/ntsb/CHI74IC090

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0013  74/5/14  NR.EARLVILLE,ILL      DOUGLAS DC-10       CR-  0  0 12  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1420                    N106AA              PX-  0  0104                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - AMERICAN AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          LOS ANGELES,CALIF           CHICAGO,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           LIGHTNING STRIKE                                         IN FLIGHT: DESCENDING
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           WEATHER - LIGHTNING STRIKE
           PERSONNEL - MISCELLANEOUS-PERSONNEL: GROUND CREWMAN
           AIRFRAME - FUSELAGE: DOORS,DOOR FRAMES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
        FACTOR(S)
           WEATHER - THUNDERSTORM ACTIVITY
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      RAIN, THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          UNKNOWN/NOT REPORTED                                     IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- LIGHTNING STRIKE IMPROPERLY SECURED DOOR OPENED,SEPRTD.MFG INITIATED DOOR HANDLE DESIGN REVISION.
```

## Aircraft

- Registration: [N106AA](https://openairdocs.org/deregistered/N106AA-2002-06-10), registration cancelled 2002-06-10, S/N 46506, built 1971 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-10
- Registry model: [Mcdonnell Douglas DC-10-10](https://openairdocs.org/model/mcdonnell-douglas-dc-10-10) (registry code 3022110) (OpenAirDocs)
- Registry engine: [GE CF6-6 series](https://openairdocs.org/engine/ge-cf6-6-series) (registry code 30020, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: Minor damage

## Other investigations on N106AA (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 FTW73IFO15](https://openairdocs.org/ntsb/FTW73IFO15), Oct 30, 1972: Douglas DC-10 (N106AA), Tulsa, OK, incident, minor damage

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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