# SDR SWAA2024020627375

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2023
- Submitted: February 6, 2024
- Operation: Air carrier
- Aircraft: [N453WN](https://openairdocs.org/aircraft/N453WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29847
- Aircraft time: 64,260 hours, 38,168 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Pressure Blkhd
- Part number: UNKNOWN
- Condition: Cracked
- Location: Bs 1016 S7r
- 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/SWAA2024020627375

## Discrepancy

BS 1016 AFT PRESSURE BULKHEAD CENTER DOME APEX WEB; FOUND CRACK INDICATION BL 0 - S-7R (HFEC) AT THE INBOARD LOWER FASTENER.<[01] ACCOMPLISHED EA 23-153-03585. REF FAULT TTG8Q00Q3A2W.;[02] VERIFIED ACCOMPLISHED EA 23-153-03585. REF FAULT TTG8Q00Q3A2W.

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