# SDR ASAA2014040207417

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2014
- Submitted: April 4, 2014
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 29,154 hours, 8,881 cycles
- System (JASC): [7312 · Fuel Heater](https://openairdocs.org/jasc/7312)
- Part: Servo
- Part number: 457311382
- Part serial: EM155872
- Condition: Leaking
- Location: Fuel Heater
- Part time: 29,154 hours, 8,881 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/ASAA2014040207417

## Discrepancy

DURING ENGINE RUN LEAK CHECK FOR NR 2 TBV,  FOUND THE FUEL HEATER SERVO LEAKING. ACFT GROUNDED.  R & R NR 2 ENGINE FUEL HEATER SERVO IAW AMM 73-11-07, RAN NR 2 ENGINE, LEAK CHECKED IAW AMM 71-00-00, LEAK CHECKED GOOD.

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