Boeing 747 FBPVS

Summary

On 12 May 1984 at about 04:56 local time, a Boeing 747 registered FBPVS was involved in an incident near Los Angeles, California, United States. One person was on board and nobody was injured. The aircraft was slightly damaged. No probable cause statement is available for this record.

Date

12 May 1984 at 04:56

Classification

Incident

Location

Los Angeles, California, United States

Nearest airport

Los Angeles Intl (LAX)

Coordinates

Not recorded

Aircraft

Boeing 747

Registration

FBPVS

Category

Airplane

Engines

4

Operator

Not recorded

Operating rule

Part 129: Foreign

Purpose of flight

Unknown

Phase of flight

Not recorded

Aircraft damage

Minor

Weather

Unk

Light

Night/Dark

NTSB number

DCA84IA026

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

DURING ROTATION THE #2 ENG SUSTAINED AN EXPLOSIVE RUPTURE OF ITS COMPRESSOR REAR FRAME(CRF). THE CREW OBSERVED A RAPID DROP IN THE #2 ENG PERFORMANCE PARAMETERS & THE ILLUMINATION OF THE #2 ENG THRUST REVERSERS 'UNLOCK AND IN TRANSIT' LITES. THE CREW DISCHARGED A FIRE BOTTLE. AFTER THE ENG WAS SHUT DOWN & THE FUEL DUMPED, THE CREW LANDED THE ACFT WITHOUT FURTHER INCIDENT. THE ENG DAMAGE WAS PRIMARILY CONFINED TO AN AXIALLY RUPTURED OUTER CASING OF THE CRF. THE CRF HAD FRACTURED AS A RESULT OF A HIGH-STRESS(LOW-CYCLE) FATIGUE. THE FATIGUE ORIGINATED AT A ZONE OF MICROPOROSITY IN THE IGNITOR PAD AREA OF THE CRF OUTER CASING. TOTAL NUMBER OF CREW & PASSENGERS NOT REPORTED.

Quoted verbatim from the NTSB record.