# SDR CALA2011113000778

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2011
- Submitted: November 30, 2011
- Operation: Air carrier
- Aircraft: [N77258](https://openairdocs.org/aircraft/N77258), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30802
- Aircraft time: 35,575 hours, 12,681 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Door
- Part number: 141A61501
- Part serial: 001009
- Condition: Not Closed
- Location: Cabin
- Part time: 32,402 hours, 11,614 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2011113000778

## Discrepancy

AFTER TAKEOFF THE L1 DOOR WAS NOT PROPERLY CLOSED AND DID NOT PRESSURIZE.  AIR RETURN AND HAD OVERWEIGHT LANDING.  OPENED AND RECLOSED L1 DOOR, CHECKS GOOD PER AMM 52-11-00.  NO DEFECTS NOTED.  O/W LANDING INSP C/W PER AMM 05-51-35 PHASE 1.  NO DEFECTS NOTED.

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