# SDR UIEA2019080604956

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2019
- Submitted: August 6, 2019
- Operation: Air carrier
- Aircraft: [N508KZ](https://openairdocs.org/aircraft/N508KZ), registered now
- Make and model: Boeing 747-4KZF
- Registry model: [Boeing 747-4KZF](https://openairdocs.org/model/boeing-747-4kzf) (OpenAirDocs)
- Aircraft serial: 36135
- Aircraft time: 35,099 hours, 7,180 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Case
- Condition: Corroded
- Location: Nr 2 Engine Fan
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019080604956

## Discrepancy

CORROSION ON OUTER CASE, NR 2 ENG FAN CASE ON 12 O'CLOCK TO 6 O'CLOCK, 8 O'CLOCK TO 12 O'CLOCK POSITION ON NAC STA 163.  ACCOMPLISHED FAN CASE CORROSION REPAIR IAW ENG MANUAL GEK92451 ESM 72-23-01-220-572 REV. 88. JOB COMPLETED AND CONDITION CHECK NORMAL.

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