AD 93-01-25
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
Fuel leakage onto the engine and potential for an engine fire due to improper torque on the fuel return line connection at rib 9 and inadequate sealant in pylon zone 'A'.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a torque check of the fuel return line connection at rib 9 within 500 hours time-in-service after the effective date. If red witness marks are misaligned, tighten to 478-522 inch-pounds and remark. Conduct a leak check of pylon zone 'A' sealant within the same timeframe; replace sealant if leaks or water level drop is detected.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 500 hours time-in-service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
AIRBUS INDUSTRIE Model A320 series airplanes, manufacturer's serial numbers 002 through 180, inclusive; 183 through 194, inclusive; 196 through 315, inclusive; 317 through 321, inclusive; 323 through 325, inclusive; and 328 through 334, inclusive; certificated in any category.
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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