# NTSB CHI78IA013: Boeing 727, N8161G, Chicago, IL, December 31, 1977

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Closed
- Date: December 31, 1977
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 101 uninjured
- Status: Completed, report January 11, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 144107
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78IA013
- Page: https://openairdocs.org/ntsb/CHI78IA013

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0028  77/12/31   CHICAGO,IL          BOEING 727          CR-  0  0  6  *ERROR-INVALID CODE*      AIRLINE TRANSPORT, AGE
        TIME - 1149                    N8161G              PX-  0  0 96  *ERROR-INVALID CODE*      44, 9900 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            UNK/NR IN TYPE, UNK/NR
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - OHARE INTL
        DEPARTURE POINT             INTENDED DESTINATION
          CHICAGO,IL                  ORLANDO,FL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPERLY SERVICED AIRCRAFT (GROUND CREW)
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
        REMARKS- BOEING SB #32-186 NOT COMPILED WITH.DRAG BRACE ARM,P/N 6-68013-2000,FAILED.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0025  77/12/31   CHICAGO,IL          BOEING 727          CR-  0  0  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1149                    N8161G              PX-  0  0 96                            44, 9900 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - OHARE INTL
        OPERATOR - EASTERN AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          CHICAGO,IL                  ORLANDO,FL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPERLY SERVICED AIRCRAFT (GROUND CREW)
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
        REMARKS- BOEING SB #32-186 NOT COMPLIED WITH.DRAG BRACE ARM,P/N 6-68013-2000,FAILED.
```

## Aircraft 1

- Registration: N8161G (not matched to a registry record)
- Reported make and model: BOEING 727
- Category: Airplane
- Engines: turbo jet
- Damage: Minor damage
- Airport: Ohare Intl

## Aircraft 2

- Registration: N8161G (not matched to a registry record)
- Reported make and model: BOEING 727
- Category: Airplane
- Engines: turbo jet
- Damage: Minor damage
- Airport: Ohare Intl

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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