# SDR CALA2026101920447

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2026
- Submitted: October 19, 2026
- Operation: Air carrier
- Aircraft: [N686UA](https://openairdocs.org/aircraft/N686UA), registered now
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33468
- Aircraft time: 80,307 hours, 13,832 cycles
- Engine: Pwa PW4060
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Light
- Part number: 418664
- Part serial: 04324
- Condition: Intermittent
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026101920447

## Discrepancy

ELECTRICAL BURNING ODOR AROUND ROW 15C. RAN SMOKE FIRE FUMES CHECKLIST. ODOR PERSISTED. CONDITIONAL INSPECTION (EC0500-01055A) IAW 05-51-56/201 AND AMM 05-51-56-940-801-C1.  LT & RT RECIRC FAN FILTERS REPLACED IAW AMM 21-25-02-004-001-002 & 21-25-02-404-008-002.  ENGINE GROUND RUN, BOTH ENGINES, GROUND IDLE IAW AMM 72-00-00-712-021-N00. AMM 05-51-56-940-801-C1, D4 TO D20. NO BURNING ODOR OBSERVED. LIGHT  AT SEAT 11-12 L FOUND TO BE FLICKERING. LIGHT REPLACED IAW CMM 33-20-51. OPS OF LIGHT FOUND TO BE SERVICEABLE.

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