# SDR DALA2026042902721

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2026
- Submitted: April 29, 2026
- Operation: Air carrier
- Aircraft: [N775DE](https://openairdocs.org/aircraft/N775DE), registered now
- Make and model: Boeing 737-8EH
- Registry model: [Boeing 737-8EH](https://openairdocs.org/model/boeing-737-8eh) (OpenAirDocs)
- Aircraft serial: 39620
- Aircraft time: 32,289 hours, 18,382 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Pressure Blkhd
- Condition: Mechanic Error
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026042902721

## Discrepancy

MISDRILLED ON AFT PRESSURE BULKHEAD, STA 1042, LBL=38, AND 3" ABOVE FLOOR STRUCTURE, AT PASSENGER CABIN. AFT PRESSURE BULKHEAD, STA 1042, LBL=38, AND 3" ABOVE FLOOR STRUCTURE, AT PASSENGER CABIN WAS REPAIRED PER PRI 633747-14 REV.10 AND ER/A 633747-14 REV O. (LOG 1567995 - AIRCRAFT WAS GROUNDED).

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