# SDR SWAA2026021063490

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2026
- Submitted: February 10, 2026
- Operation: Air carrier
- Aircraft: [N435WN](https://openairdocs.org/aircraft/N435WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32455
- Aircraft time: 74,762 hours, 44,865 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Pressure Blkhd
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026021063490

## Discrepancy

DURING 5311-I-16524-NG (AD - INSP - FUSELAGE - INSPECTION OF BS 1016 AFT PRESSURE BULKHEAD CENTER DOME APEX - GROUP 2; INDICATION OF A CRACK (HFEC) AT BL0 RIGHT LOWER FASTENER.   AFTER PAINT REMOVAL USING PART 6 51-00-00 PROCEDURE 23 INDICATION OF CRACK STILL PRESENT AND VISUALLY CRACK CAN BE SEEN RADIATING FROM ABOUT 1 O'CLOCK APPROXIMATELY 1/8 INCH.  DAMAGE ON AFT PRESSURE BULKHEAD WAS REPAIRED IAW EA 26-153-00239-WIP1 THRU EA 26-153-00239-WIP4 AND FINAL EA 26-153-00239.

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