# SDR CALA2026042415680

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2026
- Submitted: April 24, 2026
- Operation: Air carrier
- Aircraft: [N12216](https://openairdocs.org/aircraft/N12216), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28776
- Aircraft time: 83,944 hours, 31,096 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin Panel
- Part number: 146A3101Y76
- Condition: Cracked
- Location: Zone 200
- 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/CALA2026042415680

## Discrepancy

WHILE PERFORMING EXTERNAL CROWN INSPECTIONS FOUND NUMEROUS DISCREPANCIES IN THE EXTERNAL FUSELAGE SKIN AREA BETWEEN STA.727C & STA727F BETWEEN STR4L & STR4R.   REPAIRED DISCREPANCIES IN THE EXTERNAL FUSELAGE CROWN SKIN AREA BETWEEN STA.727C & STA727F BETWEEN STR4L & STR4R BY REMOVING AND REPLACING SKIN PANEL 146A3101Y76 FROM BS 727 TO THE MIDDLE OF THE BAY BETWEEN BS 727F & 727G STR4L & STR4R AND INSTALLING A DOUBLER / TRIPPLER REPAIR IN THE MIDDLE OF THE BAY BETWEEN BS 727F & 727G STR4L & STR4R.  ECRA 5310-08879 FOR WORK PERFORMED.

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