# SDR CALA2015042300320

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2015
- Submitted: April 23, 2015
- Operation: Air carrier
- Aircraft: [N13716](https://openairdocs.org/aircraft/N13716), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28787
- Aircraft time: 54,900 hours, 18,645 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 143A32121
- Condition: Cracked
- 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/CALA2015042300320

## Discrepancy

WHILE PERFORMING HFEC HOLE INSPECTION FOR EA 5310-05878 OP 2  STEP 6 & 7 FOUND CRACK INDICATION IN SKIN LOCATED AT STATION 540 BETWEEN STRINGER 22L & 23L, AFT HOLE SECOND ONE DOWN FROM TOP.  FUSELAGE SKIN AT STATION 540 BETWEEN STRINGER 22L & 23L HAS BEEN REPAIRED IAW EA 5310-05878 REV A OP 4.

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