# SDR CALA2026072918080

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2026
- Submitted: July 29, 2026
- Operation: Air carrier
- Aircraft: [N77539](https://openairdocs.org/aircraft/N77539), registered now
- Make and model: Boeing 737824
- Aircraft serial: 63642
- Aircraft time: 27,357 hours, 10,366 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 143A812628
- Condition: Corroded
- Location: Fwd Cargo
- 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/CALA2026072918080

## Discrepancy

RIGHT ZEE CHANNEL HAS MULTIPLE AREAS OF CORROSION. FWD CARGO.   CORROSION TO SHIELD EXCESSIVE AND 100% MAT LOSS, OUT OF LIMITS IAW  SRM 53-00-53. LOCATED, DRILLED AND INSTALLED NEW SHIELD IAW SRM 51-40-05, DWG 143A8126 REV-.

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