# SDR CALA2026092919959

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2026
- Submitted: September 29, 2026
- Operation: Air carrier
- Aircraft: [N33289](https://openairdocs.org/aircraft/N33289), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31607
- Aircraft time: 67,894 hours, 25,284 cycles
- Engine: Cfmint CFM567B262
- Engine time: 2,841 hours, 1,343 cycles
- System (JASC): [7397 · Engine Fuel System Wiring](https://openairdocs.org/jasc/7397)
- Part: Wire Harness
- Part number: 3250299080
- Condition: Faulted
- Location: Nr 2 Engine
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026092919959

## Discrepancy

REPLACE NR 2 ENG MW0311 HARNESS IAW AMM 73-21-06-400-802-F00,  BEFORE DEPARTING SFO DUE HISTORY OF NO BLEED ON NR 2 ENGINE.  STARTED REMOVAL OF MW0311 HARNESS FROM FIREWALL DOWN TO STRUT FAIRING. REMOVED AND INSTALLED MW0311 IAW AMM 73-21-06-400-802-F00 .  REF AMM 73-21-06-400-802-F00, & POWER PLANT TEST REF TABLE 71-00-00-800-811-F00, FOR FFCC VIBRATION SENSOR.  PERFORMED E2 FADEC SYSTEM TEST, EEC TEST PASSED,  ACTUATOR TEST PASSED, EEC DISCRETES TESTED OK.  PERFORMED FFCC VIBRATION SENSOR TEST, AVM OPS TESTED OK.  UP TO HIGH POWER RUN. REQUIRES 70% N1 FOR 2 MINUTES. VIBRATION INDICATION TO BE READING. IAW AMM 73-21-06-400-802-F00,  PERFORMED E2 HIGH POWER RUN AT 70% N1 FOR 2 MIN, VIB INDICATION IS SHOWN THROUGH OUT RUN AT POWER, IDLE, AND 0.0 ENGINE OFF. REF AMM 73-21-06-400-802-F00.

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