# SDR ASAA2023060643537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2023
- Submitted: June 12, 2023
- Operation: Air carrier
- Aircraft: [N409AS](https://openairdocs.org/aircraft/N409AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41733
- Aircraft time: 37,362 hours, 11,893 cycles
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Valve
- Part number: 32911866
- Part serial: GRT21704
- Condition: Leaking
- Location: Nr 2 Engine
- 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/ASAA2023060643537

## Discrepancy

WHILE PERFORMING MAINTENANCE ENGINE RUN ON #2 ENGINE, OBSERVED FUEL LEAKING FROM HPTACC DRAIN LINE (6 DROPS PER MINUTE). GROUNDED - YES.  REMOVED HPTACC VALVE IAW B737-900 AMM 75-21-01 HPTACC SET IN PLACE WITH ALL NEW SEALS REF AMM 75-21-01-408-801-F00.

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