# SDR ASAA2021092636090

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2021
- Submitted: September 28, 2021
- Operation: Air carrier
- Aircraft: [N402AS](https://openairdocs.org/aircraft/N402AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41189
- Aircraft time: 32,983 hours, 10,620 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7310 · Engine Fuel Distribution](https://openairdocs.org/jasc/7310)
- Part: Heater
- Part number: 457311382
- Part serial: EM163577
- Condition: Leaking
- Location: #2 Engine
- Part time: 32,983 hours, 10,620 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/ASAA2021092636090

## Discrepancy

#2 ENGINE FUEL HEATER SERVO LEAKING AT TOP COVER GASKET. GROUNDED - YES. REPLACED #2 ENGNE FUEL HEATER SERVO PER B737-900ER AMM 73-11-07. LEAK CHECK GOOD.

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