AD 2010-12-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell | International Inc | Airworthiness Directives; Honeywell International Inc. Auxiliary Power Unit Models GTCP36-150(R) and GTCP36-150(RR) |
Unsafe Condition
Fuel leakage from the fuel control unit (FCU) due to erosion in the Delta P sleeve bore, which could lead to ignition of fuel vapor, creating a fire and explosion hazard.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the FCU Delta P sleeve bore for erosion. Replace the FCU if erosion exceeds 0.030 inch in depth. Install a fuel deflector, part number 70720001-1, onto the Delta P sleeve of the FCU.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
At the next shop visit of the APU or FCU, or before the APU accumulates an additional 4,000 operating hours, whichever occurs first after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Honeywell International Inc. Auxiliary Power Unit models GTCP36-150(R) and GTCP36-150(RR), installed on, but not limited to, Fokker Services B.V. Model F.28 Mark 0100 and F.28 Mark 0070 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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