Incident · 2022-02-04
What the record says
- Event date
- 2022-02-04
- Event type
- Incident
- Highest injury level
- No injuries
- Aircraft
- BOEING 737-8K2 (N817SY)
- Operating rule
- Part 121
- Operator
- Sun Country Airlines, Inc. Operator named in NTSB report
- Operated by (per NTSB report)
- Sun Country Airlines, Inc.
Probable cause
The fatigue failure of the right main landing gear initiated by liquid metal embrittlement by cadmium at arc burn locations in the outer cylinder tooling hole area. The arc burns were likely the result of operator error during stylus cadmium plating operations during overhaul.
Source: NTSB case ENG22FA009Flight crew
Certification and experience as recorded in the NTSB accident database for this event. The NTSB records these facts about the crew's flying history; GroundCheck shows them as filed, without names or identities.
| Role | Certificate | Instrument rating | Age | Medical | Flight hours |
|---|---|---|---|---|---|
| Pilot pilot flying | Airline transport pilot | Airplane | 38 | Class 1 (2021-02-03) | 4,869 total · 1,471 in this make/model · 3,195 as PIC · 87 last 90 days |
| Co-pilot | Airline transport pilot | Airplane | 44 | Class 1 (2021-05-13) | 13,141 total · 74 in this make/model · 1,243 as PIC · 74 last 90 days |
Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.