# SDR ASAA2019041862934

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2019
- Submitted: April 18, 2019
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35184
- Aircraft time: 45,857 hours, 13,953 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Heat Exchanger
- Part number: 453328039
- Part serial: YB028556
- Condition: Leaking
- Location: Nr 2 Engine
- Part time: 45,857 hours, 13,953 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/ASAA2019041862934

## Discrepancy

REF T/C #78472000 #2 ENGINE INLET AND FAN BLADES - DETAILED INSPECTION FOUND FUEL OIL HEAT EXCHANGER IS LEAKING FUEL FROM IT'S BASE. GROUNDED - YES. REMOVED #2 ENG MAIN FUEL HEAT EXCHANGER REF B737-800 AMM 79-21-02-000-801-F00. INSTALLED SERVICEABLE MAIN OIL FUEL HEAT EXCHANGER PER AMM 79-21-02-400-801-F00. LEAK AND OPS CHECK GOOD. SERVO FUEL HEATER INSTALLATION ACCOMPLISHED PER AMM 73-11-07-801-F00. LEAK AND OPS CHECK GOOD.

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