# SDR CALA2022011400129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2022
- Submitted: January 14, 2022
- Operation: Air carrier
- Aircraft: [N57870](https://openairdocs.org/aircraft/N57870), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 33525
- Aircraft time: 51,235 hours, 14,781 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Skin
- Part number: 146N6100671
- Condition: Cracked
- Location: L4 Door
- 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/CALA2022011400129

## Discrepancy

SUPPORT TASK L4 DOOR INNER SKIN LIGHTENING HOLE ADJACENT TO UPPE R SURFACE HINGE ARM CRACKED, TRANSCRIBED FROM HAECO GSO NR LP 92 80926 REPAIRED INNER SKIN REF UNITED EC/RA 5211-01739 REV - AND HAECO REO G23566 REV IR. HAECO GSO MECH V901043 INSP QC002

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