# SDR 2021FA0000412

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2021
- Submitted: December 20, 2021
- Operation: General aviation
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 30074
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: None
- Condition: None
- Stage of operation: TO
- How discovered: L
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000412

## Discrepancy

QRF  - DURING TAKEOFF PHASE ON ROTATION EQUIP DOOR OPEN, PRESSURIZATION WAS NOT WORKING. OVERWEIGHT LANDING. CORRECTIVE ACTION: HAS BEEN INSPECTED AND LUBRICATED DOOR E/E ACCESS IAW 52-98-41 PAG 601 AND AMM 12-25-41/301. HAS BEEN INSPECTED MLG AND NLG IAW TASK 05-51-35-210-801/601. NO FOUND DISCREPANCIES.

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