# SDR ASAA2023010241392

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2023
- Submitted: January 4, 2023
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 52,156 hours, 15,763 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7312 · Fuel Heater](https://openairdocs.org/jasc/7312)
- Part: Fuel Heater
- Part number: 457311382
- Part serial: EM158511
- Condition: Leaking
- Location: Nr 2 Engine
- Part time: 45,519 hours, 14,777 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/ASAA2023010241392

## Discrepancy

#2 ENG SERVO FUEL HEATER LEAKING. GROUNDED - YES. REMOVED #2 ENG SERVO FUEL HEATER REF B737-800 AMM 73-11-01. INSTALLED #2 ENG SERVO FUEL HEATER REF AMM 73-11-07. .

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