# SDR ASAA2017032520264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2017
- Submitted: March 27, 2017
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 33,143 hours, 9,978 cycles
- System (JASC): [7312 · Fuel Heater](https://openairdocs.org/jasc/7312)
- Part: Heater
- Part number: 457311382
- Part serial: EM158009
- Condition: Leaking
- Location: Nr 1 Engine
- Part time: 33,138 hours, 9,974 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017032520264

## Discrepancy

DURING IDLE LEAK CK FOUND FUEL LEAKING FROM NR 1 ENG SERVO FUEL HEATER ASSY. GROUNDED - YES. REMOVED AND REPLACED THE NR 1 ENGINE SERVO FUEL HEATER PER AMM 73-11-07. FUEL SERVO HEATER INSTALLATION TEST PASSES, NO LEAKS NOTED.

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