# NTSB DCA79AA017: Douglas DC-10, N110AA, Chicago, IL, May 25, 1979

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: May 25, 1979
- Place: Chicago, IL · CHICAGO, IL
- Location: 41.8500° N, 87.6501° W: Placed by OpenAirDocs: center of Chicago, IL, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8500&lon=-87.6501&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 271 fatal
- Status: Completed, report September 23, 1980
- Safety recommendations: Yes
- NTSB case key (mKey): 79725
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA79AA017
- Board report AAR7917 (PDF): https://www.ntsb.gov/investigations/AccidentReports/Reports/AAR7917.pdf
- Page: https://openairdocs.org/ntsb/DCA79AA017

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0028  79/5/25    CHICAGO,IL          DOUGLAS DC-10       CR- 13  0  0  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1504                    N110AA              PX-258  0  0                            53, 22500 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  2  0  0                            3000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CHICAGO-O'HARE
        OPERATOR - AMERICAN AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          CHICAGO,IL                  LOS ANGELES,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE TEARAWAY                                          TAKEOFF: INITIAL CLIMB
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           AIRFRAME - WINGS: NACELLES,PODS,PYLONS
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        FACTOR(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
           MISCELLANEOUS ACTS,CONDITIONS - ASYMETRICAL FLAPS
           MISCELLANEOUS ACTS,CONDITIONS - HYDRAULIC FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
         FIRE AFTER IMPACT
        REMARKS- #1 PYLON DMGD DURG MAINT PROC DVLPD BY OPRR.SLAT DISAGRMT & STALL WARNING LGTS INOP AFT ENG SEP.
```

## Aircraft

- Registration: [N110AA](https://openairdocs.org/deregistered/N110AA-1979-06-05), registration cancelled 1979-06-05, S/N 46510, 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)
- Category: Airplane
- Engines: turbo fan
- Damage: Destroyed
- Airport: Chicago-O'Hare

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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