# SDR CALA2026072017901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2026
- Submitted: July 20, 2026
- Operation: Air carrier
- Aircraft: [N87512](https://openairdocs.org/aircraft/N87512), registered now
- Make and model: Boeing 737824
- Aircraft serial: 33458
- Aircraft time: 57,990 hours, 21,210 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Faulted
- 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/CALA2026072017901

## Discrepancy

CHRONIC LVL-C:  EMERGENCY EXIT SIGN LIGHT FLICKERING ON 21DEF,  REPLACED WINDOW L IGHT OVER WING EXIT LED LIGHT ASSY IAW AMM TASK 33-21-01-960 -802-1. CHKD WIRING & CONNECTOR FOR DEFECTS. NOTE FAULTS.  R & R UPPER LINING ASSY IAW AMM 25-21-20-020-003.  R & R EMERGENCY EXIT LIGHT ASSY IAW AMM 33-21-01. OPS CHKD GOOD.

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