McDonnell Douglas DC-9-82 N203AA

Summary

On 17 February 1984 at about 16:46 local time, a McDonnell Douglas DC-9-82 registered N203AA was involved in an incident near Santa Ana, California, United States. 98 people were on board and nobody was injured. No probable cause statement is available for this record.

Date

17 February 1984 at 16:46

Classification

Incident

Location

Santa Ana, California, United States

Nearest airport

John Wayne (SNA)

Coordinates

33.7094, -117.8702

Aircraft

McDonnell Douglas DC-9-82

Registration

N203AA

Category

Airplane

Engines

2

Operator

Not recorded

Operating rule

Part 121: Air Carrier

Purpose of flight

Unknown

Phase of flight

Not recorded

Route

Santa Ana → Dallas

Aircraft damage

Not recorded

Weather

VMC

Light

Day

NTSB number

LAX84IA195

Nobody was injured.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

SHORTLY AFTER TAKEOFF A TTL PWR LOSS WAS EXPERIENCED ON THE NUMBER 1 ENGINE. EXAMINATION OF THE ENGINE REVEALED SUBSTANTIAL DAMAGE OCCURRED IN THE COMPRESSOR SECTION FROM STAGE 6 REARWARD. 40 STAGE 8 COMPRESSOR BLADES WERE FORCED COMPLETELY OUT OF THEIR DISK DOVETAIL SLOTS. OF THE 18 REMAINING BLADES, 17 WERE MISSING THEIR AIRFOILS WHICH HAD FRACTURED JUST ABOVE THE PLATFORM. THE 18TH BLADE WAS FRACTURED THROUGH THE ROOT AREA JUST BELOW THE PLATFORM. METALLURGICAL EXAMINATION OF THE 18TH BLADE DISCLOSED THE BLADE SUSTAINED A DIAGONAL AND TRANSVERSE FRACTURE THROUGH THE ROOT OF THR BLADE PROGRESSING IN HIGH CYCLE FATIGUE FROM THE ORIGIN ALONG THE EDGE OF THE DISK.

Quoted verbatim from the NTSB record.