# SDR CALA2022072901908

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2022
- Submitted: July 29, 2022
- Operation: Air carrier
- Aircraft: [N16703](https://openairdocs.org/aircraft/N16703), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28764
- Aircraft time: 75,662 hours, 27,092 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Air Filter
- Part number: NA
- Condition: Odor
- Location: Left Pack
- Stage of operation: TO
- 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/CALA2022072901908

## Discrepancy

VERY STRONG ODOR FROM  THE LEFT PACK ON TAKEOFF POSIBLE OIL THRU COMPRSR NOT FUEL CONTACTED PLANNING IN EWR AND THEY SAID THAT #1 ENG HAD A REMOVED AND REPLACED RECIRCULATION AIR FILTER AS PER AMM FOLLOWED AMM TASK 05-51-26-800-C1 PER TOMC REQUEST. PERFORMED COMPRESSOR WASH IN MEX. 21-25-01/401. ALSO INSPECTED FILTER DUCT/HOUSING, NO EVIDENCE OF STEPS UPTO AND INCLUDING 1 C (2)(D).  NO FAULTS FOUND. STEP OIL OR FOREIGN MATTER. 1C(2)(E) TO COMPLETION REQUIRED. (START APU). PERFORMED AMM 05-51-26-800-801-C1 STEP 1C(2)(E) TO COMPLETION. ENGINE BLEEDS OR APU BLEED AS SOURCE. AIRCRAFT OK FOR SERVICE. "BURN OUT" HAS BEEN ACCOMPLISHED WITH NO ODOR AFTER RECIRC FILTER CHANGE. AIRCRAFT INSPECTIONS HAVE BEEN ACCOMPLISHED PER REQUIREMENTS OF AMM 05-51-26. NO ODOR PRESENT FROM PACK WITH

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