# Proposed AD FAA-2022-0103: The Boeing Company Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2022-23-11
- Products: Boeing
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: March 21, 2022, 87 FR 15902
- Comments due: May 5, 2022
- Became: [AD 2022-23-11](https://openairdocs.org/ad/2022-23-11)
- Docket: FAA-2022-0103 (https://www.regulations.gov/docket/FAA-2022-0103, where comments are filed)
- Project: AD-2021-00977-T
- FR document: 2022-05602
- Official PDF: https://openairdocs.org/files/sha256/2e/57/2e57de19f1d12158ab05ceca84b2739189981edd560fdf5d3dd6ac1c04b24e51 (from https://www.govinfo.gov/content/pkg/FR-2022-03-21/pdf/2022-05602.pdf)
- Federal Register: https://www.federalregister.gov/documents/2022/03/21/2022-05602/airworthiness-directives-the-boeing-company-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FR-ADNPRM-2022-05602-00000000000.0001
- Page: https://openairdocs.org/proposed/FAA-2022-0103

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 777 airplanes. This proposed AD was prompted by reports of discrepancies between the center wing tank (CWT) fuel quantity, as indicated by the fuel quantity indicating system (FQIS), and the refueling truck uploaded fuel amount, followed by certain engine-indicating and crew-alerting system (EICAS) messages. This proposed AD would require installing new software in the fuel quantity processor unit (FQPU), or replacing the FQPU with one that includes new software, depending on airplane configuration; and doing a software version check and FQPU operational check. This proposed AD would also prohibit the installation of certain FQPUs on certain airplanes. The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Mar 21, 2022: Notice of proposed rulemaking (NPRM). (first notice), FR document 2022-05602, comments due May 5, 2022 (https://www.federalregister.gov/documents/2022/03/21/2022-05602/airworthiness-directives-the-boeing-company-airplanes)

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