# SDR CALA2015010600013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2015
- Submitted: January 6, 2015
- Operation: Air carrier
- Aircraft: [N23707](https://openairdocs.org/aircraft/N23707), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28768
- Aircraft time: 54,313 hours, 18,587 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 146A3101
- Condition: Worn
- Location: Fuselage
- 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/CALA2015010600013

## Discrepancy

UPPER FUSELAGE EXTERIOR SKIN IS WORN AT STATION 857 LBL-2.  INSTALLED REPAIR DOUBLE AT FS 847 - 867 IAW ECRA 5330-050 03 PART 1.  ACCOMPLISH AN INSPECTION OF CROWN SKIN REPAIR IAW ECRA 5330-05003 IAW PART 2 ON OR BEFORE 50,000 TOTAL ACFT FLIGHT CYCLES.  CONTACT ENGINEERING AFTER 45,000 TOTAL ACFT FLIGHT CYCLES BUT BEFORE 47,000 TOTAL ACFT FLIGHT CYCLES FOR INSPECTION DETAILS.

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