20010707016309I

Incident

FAA incident report · Boeing 7572B7 · Indianapolis, IN · July 7, 2001

Date: July 7, 2001 · 09:21 local
Place: Indianapolis, IN
Airport: Indianapolis International
Phase of flight: Normal Cruise
Operating rules: Air carrier (Part 121)
Operator: USAA
Aircraft: N628AU
Reported as: Boeing 7572B7

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

(-23)On July 7, 2001 USA89 made an emergency landing at ind. The flight was enroute from pit to san when an acrid smell entered the cockpit. The left engine had a vibration of 5.0. The throttle was retarded and the vibration subsided. The left engine experienced a series of compressor stalls. Maintenance personnel replaced the bleed valve control unit for the left engine. The smell did not return during engine run up. The source could not be determined.

As the FAA filed it

(-23)ON JULY 7, 2001 USA89 MADE AN EMERGENCY LANDING AT IND. THE FLIGHT WAS ENROUTE FROM PIT TO SAN WHEN AN ACRID SMELL ENTERED THE COCKPIT. THE LEFT ENGINE HAD A VIBRATION OF 5.0. THE THROTTLE WAS RETARDED AND THE VIBRATION SUBSIDED. THE LEFT ENGINE EXPERIENCED A SERIES OF COMPRESSOR STALLS. MAINTENANCE PERSONNEL REPLACED THE BLEED VALVE CONTROL UNIT FOR THE LEFT ENGINE. THE SMELL DID NOT RETURN DURING ENGINE RUN UP. THE SOURCE COULD NOT BE DETERMINED.