# NTSB DCA15CA146: Boeing 767 432ER, N825MH, Atlanta, GA, June 29, 2015 - Type: NTSB accident investigation - Classification: Accident · Serious injuries · Data collection · Final report - Date: June 29, 2015, 02:30 local (06:30 UTC) - Place: Atlanta, GA - Coordinates: 33.750347, -84.390213 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=33.7503&lon=-84.3902&mi=10 - Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping) - Defining event: [Enroute-cruise: Cabin safety event](https://openairdocs.org/ntsb-events/110) - Highest injury: Serious injuries - Injuries: 1 serious - Status: Completed, report April 8, 2016 - Report: Approved by Office Director - NTSB office: Major Investigations Division - NTSB case key (mKey): 91478 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA15CA146 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/91478/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=91478 - Page: https://openairdocs.org/ntsb/DCA15CA146 ## Probable cause the flight attendant inadvertently slipped off a worn tread descending the crew rest ladder. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Personnel issues](https://openairdocs.org/ntsb-findings/02010000): Personnel issues › Physical · Cabin crew (probable cause); cases with it: [Boeing 767-432ER, 1 case](https://openairdocs.org/ntsb-findings/02010000/cases.md?model=1385134), [All aircraft, 15 cases](https://openairdocs.org/ntsb-findings/02010000/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Enroute-cruise: Cabin safety event](https://openairdocs.org/ntsb-events/110) (defining event); cases with it: [Boeing 767-432ER, 2 cases](https://openairdocs.org/ntsb-events/110/sequence.md?model=1385134), [All aircraft, 151 cases](https://openairdocs.org/ntsb-events/110/sequence.md) ## Analysis On June 29, 2015 about 0230 eastern daylight time, a flight attendant experienced a serious injury aboard Delta Air Lines flight 74, a Boeing 767, N825MH. According to flight attendant (FA) statements, while in cruise flight with no turbulence, a FA was descending the ladder into the crew rest area when her foot slipped off a rung, twisting her right ankle. The FA continued her duties although her ankle had swelled and she was in pain. After landing, the FA was diagnosed with a broken right ankle. The FA reported that the tread was worn. The CFR Part 121 scheduled passenger flight was enroute from Atlanta, Georgia, to Amsterdam, Netherlands. ## Factual narrative On June 29, 2015 about 0230 eastern daylight time, a flight attendant experienced a serious injury aboard Delta Air Lines flight 74, a Boeing 767, N825MH. According to flight attendant (FA) statements, while in cruise flight with no turbulence, a FA was descending the ladder into the crew rest area when her foot slipped off a rung, twisting her right ankle. The FA continued her duties although her ankle had swelled and she was in pain. After landing, the FA was diagnosed with a broken right ankle. The FA reported that the tread was worn. The CFR Part 121 scheduled passenger flight was enroute from Atlanta, Georgia, to Amsterdam, Netherlands. ## Aircraft - Registration: [N825MH](https://openairdocs.org/aircraft/N825MH), registered now, S/N 29703, built 2000 (OpenAirDocs) - Reported make and model: BOEING 767 432ER (432ER) - Registry model: [Boeing 767-432ER](https://openairdocs.org/model/boeing-767-432er) (registry code 1385134) (OpenAirDocs) - Registry engine: [GE CF6-80 series](https://openairdocs.org/engine/ge-cf6-80-series) (registry code 30025, turbo-fan) (OpenAirDocs) - Category: Airplane - Serial number: 29703 - Year built: 2000 - Airframe hours: 60565 - Damage: No damage - Flight: Part 121 - Operator: Delta Air Lines, Inc. - Registered owner: Delta Air Lines, Inc. - Airworthiness certificate: Standard, Transport - Last inspection: June 23, 2015 - Departed: ATL, Atlanta, GA - Destination: AMS, Amsterdam - Flight plan: IFR - Equipment: Angle of attack indicator, ADS-B, Stall warning system, Satellite tracking device, Onboard weather, Electronic primary flight display, Electronic multifunction display, Electronic flight bag or handheld device, Data recorder ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 57; injuries: none; private, airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, unknown; last flight review May 13, 2015; seat: left; flight hours: 6,719 total, 2,170 in this make and model, 2,992 as pilot in command, 68 in the last 90 days, 0 in the last 24 hours - Co-pilot; age 48; injuries: none; airline transport, private; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, unknown; last flight review December 5, 2014; seat: right; flight hours: 7,947 total, 3,889 in this make and model, 184 in the last 90 days, 0 in the last 24 hours ## Weather - Conditions: Not reported ## Other investigations on N825MH (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 ERA10CA036](https://openairdocs.org/ntsb/ERA10CA036), Oct 27, 2009: Boeing 767-432ER (N825MH), Atlanta, GA, no damage. Probable cause: Unforecasted turbulence resulting in a flight attendant being injured. ## Docket (1 files) The files NTSB released with the investigation on April 8, 2016, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=91478. 1.4 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 1.4 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40438705&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Master.PDF 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. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.