# SDR DALA1222116304

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2012
- Submitted: April 11, 2012
- Operation: Air carrier
- Aircraft: N664US
- Make and model: Boeing 747451
- Aircraft serial: 23819
- Aircraft time: 94,936 hours, 11,946 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Skin
- Condition: Cracked
- Location: L3 Door
- 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/DALA1222116304

## Discrepancy

DURING H CHECK, CRACKS WERE FOUND AT THE L3 MAIN ENTRY DOOR, UPPER AFT CORNER.  ER/A 501583-14AD SECTION I, WAS ACCOMPLISHED.

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