# SDR CALA2026011612992

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2026
- Submitted: January 16, 2026
- Operation: Air carrier
- Aircraft: [N54241](https://openairdocs.org/aircraft/N54241), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28953
- Aircraft time: 79,178 hours, 29,560 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Spar
- Part number: 148A82206
- Condition: Corroded
- Location: Zone 300
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026011612992

## Discrepancy

VERTICAL STAB RT SIDE OTBD REAR SPAR FITTING VSS 1088 HAS A MIGRATING SHIM FROM BETWEEN THE BULKHEAD FITTING AND THE SPAR FITTING.  REMOVED MIGRATED LAMINATED SHIM AND REPLACED WITH SOLID SHIMS IAW DWG 170A1610, REV G, AND AMM 55-30-00.

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