# SDR CALA2013101592088

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2013
- Submitted: October 15, 2013
- Operation: Air carrier
- Aircraft: [N221UA](https://openairdocs.org/aircraft/N221UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30552
- Aircraft time: 52,186 hours, 6,461 cycles
- Engine: Pwa PW40903
- System (JASC): [7334 · Fuel Pressure Sensor](https://openairdocs.org/jasc/7334)
- Part: Pressure Switch
- Condition: Damaged
- Location: Nr 1 Engine
- 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/CALA2013101592088

## Discrepancy

NR 1 ENG FUEL PUMP FILTER DIFFERENTIAL PRESS SWITCH THREADS STRIPPED.  REPLACED NR 1 ENG FUEL PUMP DIFFERENTIAL PRESS SWITCH.

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