# SDR CALA2024102100882

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2024
- Submitted: October 21, 2024
- Operation: Air carrier
- Aircraft: [N75425](https://openairdocs.org/aircraft/N75425), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33460
- Aircraft time: 50,952 hours, 18,047 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Zone 200
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024102100882

## Discrepancy

ELECTRICAL BURNING SMELL IN COCKPIT JUST PRIOR TO DESCENT. DISAP ATED QUICKLY. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. MAC METER INITIATED FOR MAC RELATED WORK ORDER 000000003120568.  ACCOMPLISHED INSPECTION IAW AMM 05-51-26 -800-801C1. ALL C/B'S FOUND TO BE IN GOOD CONDITION. NO C/B'S TR IPPED. INSPECTED FLIGHT DECK, FWD GALLEY, AND E&E COMPARTMENT. NO DAMAGE FOUND. OPERATED BOTH PACKS W/ APU BLEED. NO BURNING ODO R PRESENT AT THIS TIME. CREW VERIFIED ODOR DISSIPATED QUICKLY. O K FOR SERVICE. REF LOG PAGE 9622196 FOR RE-CIRCULATION FILTERS R EPLACEMENT.  ACCOMPLISHED INSPECTION IAW AMM 05-51-26 -800-801C1. ALL C/B'S FOUND TO BE IN GOOD CONDITION. NO C/B'S TR IPPED. INSPECTED FLIGHT DECK, FWD GALLEY, AND E&E COMPARTMENT. NO DAMAGE FOUND. OPERATED BOTH PACKS W/ APU BLEED. NO BURNING ODOR PRESENT AT THIS TIME. CREW VERIFIED ODOR DISSIPATED QUICKLY. O K FOR SERVICE. REF LOG PAGE 9622196 FOR RE-CIRCULATION FILTERS R EPLACEMENT.

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