# SDR CALA2026030914429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2026
- Submitted: March 9, 2026
- Operation: Air carrier
- Aircraft: [N37273](https://openairdocs.org/aircraft/N37273), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31591
- Aircraft time: 74,909 hours, 26,966 cycles
- Engine: Cfmint CFM567B262
- Engine time: 4,919 hours, 2,331 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Seal
- Condition: Not Seated
- Location: Nr 2 Engine
- Part time: 4,919 hours, 2,331 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026030914429

## Discrepancy

REPEAT CHRONIC LVL 1 NR 2 BLEED TRIP OFF LIGHT ILLUMINATED DURING CLIMB APPROX FL100.   SUSPECT HOT AIR PORTING TO THE BAR TRIPPING THE PRESSURE SWITCH.  PERFORMED HIGH PRESS COMPRESSOR FRONT STATOR INSPECTION IAW AMM 72-32-00-200-801-F00.  FOUND NO EVIDENCE OF DAMAGED STATORS OR HEAT TRANSFER TO BAR MOUNT PLATE,UPON INSPECTION OF PCCV KISS SEAL, FOUND SEAL NOT FULLY MATED TO PRECOOLER, SEE PHOTOS. REMOVED AND REPLACED NR 2 PRECOOLER.  ACCOMPLISHED HIGH POWER RUN AND TAXI AND POWER ASSURANCE CHECK REF AMM TASK 71-00-00-700-813-F00. NO BLEED AIR FAULTS OR BLEED AIR LIGHT ILLUMINATED. OK TO CONTINUE.

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