# SDR ASAA2021121236881

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2021
- Submitted: December 22, 2021
- Operation: Air carrier
- Aircraft: [N472AS](https://openairdocs.org/aircraft/N472AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 60580
- Aircraft time: 24,978 hours, 7,798 cycles
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Actuator
- Part number: 1226400
- Part serial: YU124514
- Condition: Leaking
- Location: Nr 2 Eng
- 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/ASAA2021121236881

## Discrepancy

#2 ENGINE RIGHT VBV DRAIN DRIPPING FUEL. GROUNDED - YES. PERFORMED VENTS AND DRAINS INSPECTION PER B737-900 AMM 71-00-00 (TWICE). #2 ENGINE RIGHT VBV LEAKS @ A RATE OF 20 DPM. REMOVED AND REPLACED RIGHT VBV ACTUATOR ON THE #2 ENG REF AMM 75-32-02/401. OPS AND LEAK CHECK GOOD.

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