# SDR DALA2026061603604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2026
- Submitted: June 16, 2026
- Operation: Air carrier
- Aircraft: [N3757D](https://openairdocs.org/aircraft/N3757D), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30813
- Aircraft time: 78,617 hours, 30,154 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Bleed Valve
- Condition: Cracked
- Location: Apu
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026061603604

## Discrepancy

FA.S NOTED BURNING ODOR MID CABIN. FLOOR IS HOT TO THE TOUCH. VERIFIED CRACK ON VALVE NO OTHER DEFECTS AROUND SURROUNDING AREA. BEGUN REMOVING APU BLEED VALVE PER B737 AMM 36-13. INSTALLED APU PNEUMATIC DUCT AND TIGHTENING V-CLAMPS PER B737 AMM 36-13. PERFORMED LEAK TEST PER 36-13-01 TEST GOOD. REINSTALLED AFT CARGO,FWD, CENTER &RH PANELS B737 AMM 25-52. RESECURED PANELS PERFORM LEAK CHECK OF PNEMATIC PRESSURE SEAL PER B737 AMM 36-13. OPS CHECKS GOOD. (LOG 8876426 - AIRCRAFT WAS GROUNDED).

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