AD 99-01-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A319-111 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
| aircraft | Airbus | A319-112 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
| aircraft | Airbus | A319-113 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
| aircraft | Airbus | A319-114 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
| aircraft | Airbus | A319-131 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
| aircraft | Airbus | A319-132 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
| aircraft | Airbus | A320-111 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
| aircraft | Airbus | A320-211 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
| aircraft | Airbus | A320-212 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
| aircraft | Airbus | A320-214 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
Unsafe Condition
Simultaneous loss of heating to pitot probes 1 and 3 could result in incorrect airspeed indications to both the pilot’s and first officer’s airspeed indication systems, leading to reduced controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 6 months after the effective date, modify the airplane wiring to separate the electrical inputs sent by the engine interface units to probe heat computers 1 and 3, and test the modified wiring in accordance with specified Airbus Service Bulletins.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 6 months 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 Model A319, A320, and A321 series airplanes excluding those with Airbus Modification 26403 or Service Bulletin A320-30-1036 Revision 02 accomplished.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.