97-19-18
final ruleAirworthiness Directives; AlliedSignal Inc. TSCP700-4B and -5 Auxiliary Power Units
Unsafe Condition: First stage low pressure compressor (LPC) disk rim separation due to low cycle fatigue, which could result in an uncontained APU failure and damage to the aircraft.
Why matched: Airworthiness Directives; AlliedSignal Inc. TSCP700-4B and -5 Auxiliary Power Units