AD 90-11-51 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A320-111 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-211 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-212 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-214 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-231 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-232 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
| aircraft | Airbus | A320-233 | Airworthiness Directives; AIRBUS INDUSTRIE Model A320 Series Airplanes |
Unsafe Condition
Uncontained turbine rotor separation and subsequent reduced controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the AFM Limitations Section to prohibit APU operation on the ground and during flight except during an emergency, install a placard next to the APU start switch with the same prohibition statement, and install an external secondary turbine containment shield (Part Number 3615644-1) within 30 days. Compliance adjustments may be approved by the FAA Manager, Standardization Branch.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 72 hours (clock hours, not flight hours) after the effective date for AFM and placard actions; within 30 days after the effective date for the containment shield installation.
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Affected Aircraft
AIRBUS INDUSTRIE Model A320 Series Airplanes equipped with Garrett APU GTCP36-300[A], Part No. 3800278-2, all serial numbers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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