# SDR CALA2026101620411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2026
- Submitted: October 16, 2026
- Operation: Air carrier
- Aircraft: [N37527](https://openairdocs.org/aircraft/N37527), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43463
- Aircraft time: 19,327 hours, 6,356 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 147A7505
- Condition: Corroded
- 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/CALA2026101620411

## Discrepancy

AFTER  EVALUATION OF  AFT CARGO ZEE CHANNEL BS 727 - 767 RT.   FOUND TO BE OUT OF LIMITS,  REMOVED, & REPLACED,RECEIVED ,FABRICATED LOCATED DRILLED APPLIED ALODINE PRIMER AND INSTALLED NEW ZEE CHANNEL IAW SRM 53-00-53-2R-5, 51-40-02-0G-0, 51-40-05-0G-0, 51-40-08-0G-0, 51-20-01-0G-0, & SOPM 20-41-02.

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