# NTSB Accident ATL97LA012
> **Douglas C-47** · 1996-10-31 · DORADO, PR · SERS
## Event
- **NTSB number:** ATL97LA012
- **Event ID:** 20001208X06843
- **Type:** Accident
- **Date:** 1996-10-31
- **Location:** DORADO, PR
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** Douglas
- **Model:** C-47
- **Registration:** N37AP
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** NBRT
- **Weather:** VMC
## Probable cause

failure of the #11 cylinder on the right (#2) engine, which resulted in an in-flight fire and loss of power in that engine; and a malfunction/failure of the #2 feathering system, which led to a subsequent forced landing before the flight crew could return to the airport.  A factor related to the accident was failure of the flight crew to increase the left (#1) engine rpm (in accordance with emergency procedures) after loss of power in the #2 engine.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL97LA012) · AI Analytics · CC0 1.0*