# SDR ASAA2020021213157

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2020
- Submitted: February 13, 2020
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 50,395 hours, 14,976 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7312 · Fuel Heater](https://openairdocs.org/jasc/7312)
- Part: Heater
- Part number: 457311382
- Part serial: EM161326
- Condition: Leaking
- Location: Nr 1 Fuel Servo
- Part time: 35,168 hours, 10,165 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/ASAA2020021213157

## Discrepancy

WHILE ACCOMPLISHING TEST 9 AFTER #1 ENGINE R&R #1 ENGINE SERVO FUEL HEATER IS LEAKING. GROUNDED - YES. REMOVED AND REPLACED #1 ENG SERVO FUEL HEATER. REF B737-800 AMM 73-11-07-000-801-F00 & AMM 73-11-07-400-801-F00. OPS & L/C'D GOOD.

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