# SDR CALA2026020413543

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2026
- Submitted: February 4, 2026
- Operation: Air carrier
- Aircraft: [N39423](https://openairdocs.org/aircraft/N39423), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 32829
- Aircraft time: 55,880 hours, 19,824 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Not Reported
- 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/CALA2026020413543

## Discrepancy

EA2500-13122 REV ORIGINAL OPS 011 BETWEEN BS 727K AND 727L RT SIDE STRINGER 5R WAP#3 AND GROUND CLIP INTERFERES WITH THE INTERCOSTAL INSTALLATION REQUESTING ENGINEERING ASSISTANCE. SUPPORT TASK EMX N/R 00134.  ACCOMPLISHED UAL ECRA 4435-04722 REV ORIGINAL AND UAL AVO 16457 REV A FOR WAP NO. 3 AND GROUND CLIP AT STATION 727K AND 727L R/H SIDE WITH NO DEVIATIONS

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