# SDR CALA2026051716303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2026
- Submitted: May 18, 2026
- Operation: Air carrier
- Aircraft: [N24702](https://openairdocs.org/aircraft/N24702), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28763
- Aircraft time: 85,810 hours, 31,575 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 146A7502
- 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/CALA2026051716303

## Discrepancy

DURING REMOVAL OF SIDEWALLS PANELS ON AFT CARGO, FOUND MULTIPLES POINTS OF CORROSION ON Z-CHANNEL, LH SIDE BTW STA 727 TO 847, REQUIRE REPAIR. (REF. AAR NR 1000079768). REMOVED AND REPLACED DAMAGED ZEE CHANNEL AT AFT CARGO COMPARMENT LH SIDE BTW STA 747 TO 847 IAW SRM 53-00-53-2R-6 STEP 4.L AND SRM 51-40-02-0G-0

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