# SDR CALA2022072501879

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2022
- Submitted: August 1, 2022
- Operation: Air carrier
- Aircraft: [N39463](https://openairdocs.org/aircraft/N39463), registered now
- Make and model: Boeing 737
- Aircraft serial: 37208
- Aircraft time: 30,776 hours, 10,864 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: None
- Part number: NA
- Part serial: NA
- Condition: Faulty
- Location: #1 Eng
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022072501879

## Discrepancy

THIS IS A SUPPLEMENTAL REPORT FOR THE SAME CONTROL NUMBER SUBMITTED ON 7/25/22.FILTER BYPASS LIGHT ON ENGINE 1 NORMAL ENG INDICATIONS #1 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE WARNING SYSTEM. REPLACED #1 ENGINE FUEL FILTER BYPASS SWITCH (S241). EEC TEST CHECKS GOOD.

---
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.