# SDR CALA2019072401224

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2019
- Submitted: July 24, 2019
- Operation: Air carrier
- Aircraft: [N17229](https://openairdocs.org/aircraft/N17229), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28793
- Aircraft time: 64,679 hours, 23,145 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Overheat Loop
- Condition: Out Of Position
- Location: Nr 2 Engine
- Stage of operation: CL
- 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/CALA2019072401224

## Discrepancy

NR 2 ENG OVERHEAT INTERMITTENT MULTIPLE TIMES. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN. PLEASE OPEN #2 ENG AFTER IT COOLS SOME AND INSPECT DUCTING FOR POSSIBLE LEAKS. MAC METER INITIATED FOR WITH VENDOR. MAC RELATED WORK ORDER 000000002026430 AND PRTR ACCOMPLISHED LEAK CHECKS IAW FIM 26-10-00-810-811. USED APU AIR TO BACK PRESSURE THROUGH PRSOV. NO LARGE LEAKS IDENTIFIED, HOWEVER, FOUND SEVERAL CLAMP THAT REQ''D TIGHTENING. ALSO REPOSITIONED SEVERAL ELEMENTS THAT WERE CLOSE. REF L/P 3792539 FOR REQ''D ENG RUN.

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