# SDR SWAA2021063074438

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2021
- Submitted: June 30, 2021
- Operation: Air carrier
- Aircraft: N400WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27891
- Aircraft time: 66,325 hours, 39,077 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Plenum
- Condition: Cracked
- Location: Apu Inlet
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021063074438

## Discrepancy

APU AIR INLET PLENUM TOP AFT PANEL ASSEMBLY CRACKED (PN:353A2010-16) ; / [01] RECEIVED NEW APU INLET PLENUM TOP AFT PANEL S/N: 588009-131702. INSTALLATION WILL BE PERFORMED ON TASK CARD TTG8Q0034VK5; [02] OK VERIFIED STATEMENT; [03] VERIFIED PART REPACEMENT; [04] VERIFIED PART REPLACEMENT

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