# SDR CALA2024090902403

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2024
- Submitted: September 9, 2024
- Operation: Air carrier
- Aircraft: [N34282](https://openairdocs.org/aircraft/N34282), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31634
- Aircraft time: 61,938 hours, 22,398 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Message
- Condition: False Activation
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024090902403

## Discrepancy

IAS DISAGREE AT FL380 RAN QRC QRH. RESULTED IN A RETURN TO GUM. CAPT SI DE WAS 15 KTS SPLIT. FLUSHED AND DEBRIS REMOVED FROM LEFT (CAPT''S) PITOT PROBE REF GOOD. -END- AMM 34-11-00-170-802 (ALTERNATE METHOD). PERFORMED LEFT PITOT LEAK TEST REF AMM 34-11-00-790-810. LEAK TEST PASSED. INSPECTED PITOT PROBE, NO OBVIOUS DEFECTS OR FAULTS. PITOT HEAT OPS CK CW IDT INSP ON CAPT''S ADM QD FITTING AND DRAIN QD PER AMM 34-11-00-170-802. PERFORMED LEFT PITOT LEAK TEST REF AMM 34-11-00-790-810

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