# SDR 2026FA0000639

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2026
- Submitted: August 14, 2026
- Operation: General aviation
- System (JASC): [7313 · Fuel Injector Nozzle](https://openairdocs.org/jasc/7313)
- Part: Shim
- Condition: Missing
- Location: Fuel Nozzel
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000639

## Discrepancy

REFERENCE SAE RETEX – EQ6349 DURING A REVIEW OF THE ASSEMBLY PROCESS PERFORMED BY FUEL NOZZLE SUPPLIER, HAS FOUND NOZZLES THAT REQUIRE ATTENTION DUE TO AN ERROR IN THE VALVE ASSEMBLY PROCESS CONFIRMED THROUGH AN EVALUATION OF X-RAY IMAGES.  S/N CONCERNED: PAT0B224 / PSDMF856 / PAT3C375 / PSDMD535 / PSDMP851 / PSDNE267 / PSDKE030 / PAT2A176 / PAT184H5 AND PAT948P7 / PAT0042T FUEL NOZZLE P/N: 6120066E05 AND 6120066E02 AFFECTED ENGINE TYPE: LEAP 1A AND LEAP 1B BASED ON THE MANUFACTURER’S DATA, VERIFICATION CONFIRMED THAT TWO OF THE AFFECTED FUEL NOZZLES WERE DELIVERED TO SIAEC/ESD/AES AND INSTALLED ON THE FOLLOWING ENGINES: 1. AIR INDIA-ESN 599980 FUEL NOZZLE LOCATION #16 – SN: PAT184H5, PN: 6120066E05 / 2085M31G05 2.  INDIGO-ESN 59B153 FUEL NOZZLE LOCATION #4 – SN: PAT0042T, PN: 6120066E05 / 2085M31G05 THE AFFECTED CUSTOMERS HAVE BEEN INFORMED TO REPLACE THE RELEVANT FUEL NOZZLES AND TO CONTACT SAE/CFM FOR FURTHER DETAILS. ACTUAL OR APPARENT CAUSE SHIM INSTALLATION WAS MISSED DURING THE FUEL NOZZLE ASSEMBLY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.