Service difficulty report · Circuit Breaker · Boeing 737890
FAA SDR system
- Difficulty date
- May 30, 2021
- Submitted
- June 1, 2021
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35690
- Aircraft time
- 47,300 hours, 14,319 cycles
- Part
- Circuit Breaker
- Condition
- Tripped
- Location
- Bleed Valve
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED AIR VALVES LEFT CB POPPED. GROUNDED - YES. INSPECTED C/B C796 NO DEFECTS NOTED, INSPECTED CONNECTOR DP1102 NO DEFECTS NOTED REF B737-800 WDM 36-11-11. RESET C/B REF B737-800 AMM 20-60-01, VERIFIED GOOD VOLTAGE ON PINS 5&7 OD DP1102 AND GOOD GND ON PIN 6 REF WDM 36-11-11 OPS CKD BLEED AIR REGULATOR SOLENOID REF AMM 26-21-00 STEP (9) (10) SOLENOID OPS CKD NML.