# SDR CALA2026090419236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2026
- Submitted: September 4, 2026
- Operation: Air carrier
- Aircraft: [N36207](https://openairdocs.org/aircraft/N36207), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30579
- Aircraft time: 79,520 hours, 29,732 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Bleed Valve
- Part number: 32912142
- Part serial: 9529
- Condition: Faulted
- Location: Apu
- Part time: 1,419 hours, 664 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026090419236

## Discrepancy

DUE TO ACFT DIVERSION DUE TO APU BLEED NOT TURNING OFF AFTER A BLEEDS OFF TAKE OFF, ETOPS V-FLT REQUIRED, APPLYING PLA 06921. REMOVED AND REPLACED APU BLEED VLV I.A.W. AMM 49-52-11-400-801. LEAK CHK AND OPS CHECK COMPLETE. NO FURTHER DEFECTS NOTED. PARTS USED: 99-3611-3-0013,QTY :1  29-4952-9-0001,QTY :1 MFG PN ON - 3291214-2  VALVE, BLEED, A  OFF 29-4952-9-0001 9529 ON 29-4952-9-0001 9675 MFG SN ON - 9675 M&E SN ON - 09675 M&E PN ON - 29-4952-9-0001 MFG SN OFF - 9529 MFG PN OFF - 3291214-2 ROTABLE PARTS CHG:TT # 1134005 SN OFF 9529 PN OFF 29-4952-9-0001 ALL WORK AND ROTABLE PARTS INFO DOCUMENTED. THIS CLEARS LOGPAGE.

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