# SDR CALA2026041015249

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2026
- Submitted: April 10, 2026
- Operation: Air carrier
- Aircraft: [N24736](https://openairdocs.org/aircraft/N24736), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28803
- Aircraft time: 81,552 hours, 28,632 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 146A75021
- 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/CALA2026041015249

## Discrepancy

AFT CARGO LEFT "Z" CHANNEL HAS CORROSION AT 727A-827 REF AAR N/R 100013217 REMOVED AND REPLACED AFT CARGO LEFT "Z" CHANNEL ASSY AT STA 727A-827, LBL 21 AS PER SRM 51-40-02-0G-0. PENDING ESFRY ENTRY, NO DIPS REQUIRED. WORK ACCOMPLISHED BY V 928495 REMOVED AND REPLACED AFT CARGO LEFT "Z" CHANNEL ASSY AT STA 727A-827, LBL 21 AS PER SRM 51-40-02-0G-0. PENDING ESFRY ENTRY, NO DIPS REQUIRED. ESFR HAS BEEN CREATED. REMOVED AND REPLACED AFT CARGO LEFT "Z" CHANNEL ASSY AT STA 727 -827, LBL 21 AS PER SRM 51-40-02-0G-0. WORK ACCOMPLISHED BY V 928495 INS-254

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