# Proposed AD 2004-CE-11-AD: Raytheon Aircraft Company Model B100 Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2004-22-28
- Products: Raytheon
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: May 26, 2004, 69 FR 29910
- Comments due: July 26, 2004
- Became: [AD 2004-22-28](https://openairdocs.org/ad/2004-22-28)
- Docket: 2004-CE-11-AD
- FR document: 04-11877
- Official PDF: https://openairdocs.org/files/sha256/b0/62/b0622c8e39f7aca04db953f704ee084cb035e47665fbc365ebbbf1b8479789a5 (from https://www.govinfo.gov/content/pkg/FR-2004-05-26/pdf/04-11877.pdf)
- Federal Register: https://www.federalregister.gov/documents/2004/05/26/04-11877/airworthiness-directives-raytheon-aircraft-company-model-b100-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/837F965E8D04D08086256EA00045D52A.0001
- Page: https://openairdocs.org/proposed/2004-CE-11-AD

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for certain Raytheon Aircraft Company (Raytheon) Model B100 airplanes. This proposed AD would require you to drill holes in the hot lip tube "B" nuts; tighten the "B" nuts to specified torque ranges; and secure the "B" nuts with safety wire. This proposed AD is the result of reports of loose "B" nuts on the engine inlet that may loosen and permit a leak in the engine inlet anti-ice system. We are issuing this proposed AD to detect and correct loose "B" nuts on the engine inlet, which could result in failure of the engine inlet anti-ice system and consequent ice buildup. This failure and ice buildup could lead to an engine's ingestion of ice with loss of engine power or loss of engine.

## Notices in this docket

- May 26, 2004: Notice of proposed rulemaking (NPRM). (first notice), FR document 04-11877, comments due Jul 26, 2004 (https://www.federalregister.gov/documents/2004/05/26/04-11877/airworthiness-directives-raytheon-aircraft-company-model-b100-airplanes)

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