# SDR CALA2026100920250

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2026
- Submitted: October 9, 2026
- Operation: Air carrier
- Aircraft: [N27404](https://openairdocs.org/aircraft/N27404), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67644
- Aircraft time: 4,251 hours, 1,422 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Retainer
- Part number: 141A217117
- Condition: Cracked
- 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/CALA2026100920250

## Discrepancy

SEAL RETAINER FOUND CRACK NEAR RADOME AREA BS 178, LBL 10.  FABRICATED, LOCATED, AND DRILLED A NEW SEAL RETAINER IAW SRM 51-40-05-0G-0, DWG 141A2100, AND DWG 141A2175. INSTALLATION DOCUMENTED ON CARD 2024779-2000-0003, SEQ 100080598.

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