Bombardier CL-600-2B19 N8505Q

Summary

On 30 March 2011 at about 23:46 local time, a Bombardier CL-600-2B19 registered N8505Q, operated by Pinnacle Airlines Inc, was involved in an incident near Detroit, Michigan, United States. 27 people were on board and nobody was injured. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

30 March 2011 at 23:46

Classification

Incident

Location

Detroit, Michigan, United States

Nearest airport

Detroit Metro - Wayne County (DTW)

Coordinates

42.2122, -83.3533

Aircraft

Bombardier CL-600-2B19

Registration

N8505Q

Category

Airplane

Engines

2

Operator

Pinnacle Airlines Inc

Operating rule

Part 121: Air Carrier

Phase of flight

Not recorded

Route

Providence → Detroit

Aircraft damage

Not recorded

Weather

VMC

Light

Dusk

NTSB number

CEN11IA264

Nobody was injured.

The mechanic's incomplete securing of all the wheel well bin's fasteners, which resulted in separation of the bin from the airplane.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

The operator reported that the flight crew received a main landing gear overheat fail message on the engine indication and crew alerting system as the landing gear was being retracted after takeoff. During the remainder of the flight, the message came on every 15 to 20 seconds, remained on for about 5 seconds, and then extinguished. The flight crew contacted maintenance control and were advised that the flight could continue to the destination since the message was intermittent. The airplane landed at its intended destination without incident. During postincident troubleshooting to determine the reason for the message, maintenance personnel discovered that the right wheel well bin, which incorporated the landing gear overheat temperature sensor, had departed the aircraft. Examination revealed that only 3 of the 11 fasteners that attached the bin to the fuselage remained in place, and those 3 fasteners retained torn sections of bin under their heads. According to the operator, the last maintenance that involved removal and reinstallation of the wheel well bin was the repair of a flap discrepancy six days prior to the incident. Subsequent to the repair, the airplane completed 29 flights before the incident flight. After the incident, the operator published a warning in its airplane maintenance manual cautioning mechanics not to use electric, battery, or pneumatic powered screw guns to secure wheel well bins.

Quoted verbatim from the NTSB record.