# SDR CALA2026042415720

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2026
- Submitted: April 24, 2026
- Operation: Air carrier
- Aircraft: [N37255](https://openairdocs.org/aircraft/N37255), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30610
- Aircraft time: 77,618 hours, 29,101 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 143A7501158
- Condition: Corroded
- Location: Zone 100
- 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/CALA2026042415720

## Discrepancy

FWD CARGO RIGHT SIDE TRANSITIONAL PANEL FROM STA 520-500H HAVE SIGN OF CORROSION AT MULTIPLE PLACES.   REMOVED CORROSION ON FWD PIT RT TRANSITION PANEL BS 500A-500I IAW SRM 51-10-02. ORIG MAT THICKNESS .040, MATERIAL LOSS .010, MATERIAL REMAINING .030 FOUND OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED AND REPLACED 2EA TRANSITION PANEL AND 1EA SPLICE IAW SRM 51-40-05. INSTALLED 2EA TRANSITION PANELS AND 1EA SPLICE IAW SRM 53-00-53-2R-5.

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