# SDR ASAA2023032542578

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2023
- Submitted: March 27, 2023
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 52,914 hours, 15,568 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 32145526
- Part serial: 7749
- Condition: Leaking
- Location: #2 Engine
- Part time: 64,410 hours, 25,502 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023032542578

## Discrepancy

FOLLOW-UP TO REPORT OF #2 (RH) BLEED TRIP ISSUE DURING NO-BLEEDS TAKEOFFS, ACCOMPLISH RIGHT ENG PNEUMATIC SYSTEM HEALTH CHECK PER TASK CARD NG-36WC-00002-2 GROUNDED - YES. PERFORMED #2 ENGINE BLEED AIR SYSTEM HEALTH CHECK UP TO AND INCLUDING STEP 04.P ON PAGE 19. UPON HEALTH CK TEST FOUND HIGH STAGE REGULATOR FAILING, REMOVED AND REPLACED HSR PER B737-AMM 36-11-07 AND FOUND PRSOV LEAKING FROM DIAPHRAM REMOVED AND REPLACED PRSOV PER AMM 36-11-04 SIG 15066 03-26-2023 COMPLETED #2 ENG BLEED AIR SYS HEALTH CK PER T/C NG-36WC-00002-2. ENG BLEED AIR CROSSOVER OPERATIONAL TEST CK GOOD. THIS CLEARS TSR714065, NOTIFIED SEAMC MARKUS.

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