# SDR SCNA20260723323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2026
- Submitted: July 23, 2026
- Operation: Air carrier
- Aircraft: [N852SY](https://openairdocs.org/aircraft/N852SY), registered now
- Make and model: Boeing 737-800
- Registry model: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (OpenAirDocs)
- Aircraft serial: 40910
- Aircraft time: 28,430 hours, 15,800 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Bottle
- Part number: 33700002
- Part serial: 47066D1
- Condition: Illuminated
- Location: Nr 1
- Part time: 4,609 hours, 1,613 cycles
- Component: Engine, Cfmint, CFM567B273
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20260723323

## Discrepancy

AFTER START ENG 1 OVERHEAT LIGHT ILLUMINATED RAN QRH AND DID ESP ON GROUND. QRH THEN DICTATED TO DISCHARGE A BOTTLE. AFTER BOTTLE DISCHARGE OVERHEAT LIGHT WENT AWAY.   PERFORMED AMM TASK 71-00-00-800-803, NO EVIDENCE OF FIRE. PERFORMED FIM 26-10 TASK 801, NO FAULTS. PERFOMED FIM 26-10 TASK 805, LOOP A AND B PASSES CHECKS. ALL DETECTORS PASS. REMOVED AND REPLACED #1 FIRE BOTLE. PERFORMED ENGINE RUN FOR 15 MINS WITH NO OVERHEAT WARNING. REF LP 846235 ITEM 2. NO DEFECTS NOTED. ACFT  OK FOR SERVICE.

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