# SDR UIEA2025030194202

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2025
- Submitted: March 20, 2025
- Operation: Air carrier
- Aircraft: [N1373A](https://openairdocs.org/aircraft/N1373A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27205
- Aircraft time: 111,285 hours, 24,569 cycles
- Engine: Ge CF680C2B2
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Case
- Condition: Corroded
- Location: Nr 1 Engine Fan
- 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/UIEA2025030194202

## Discrepancy

ENG 1, FWD FAN CASE, AT 6 O'CLOCK APPROX, FWD MATING FLANGE WITH SEVERAL POINTS OF CORROSION (2EA).(<P>ENG 1, FWD FAN CASE, AT 6 O'CLOCK APPROX, FWD MATING FLANGE CORROSION LEVEL 1 WERE REWORKED, EVALUATED, INSPECTED AND FOUND TO BE WITHIN ALLOWABLE LIMITS IAW AMM 72-33-00-206-001-H00 PAR 10 REV 144. NO FURTHER DEFECTS NOTED.</P>)

---
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.