- Difficulty date
- February 26, 2023
- Submitted
- February 28, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737900ER
- Aircraft serial
- 41730
- Aircraft time
- 38,307 hours, 12,231 cycles
- Part
- Regulator
- Part number
- 1074926
- Part serial
- 5130C
- Condition
- Faulty
- Location
- #2 Engine
- Part time
- 67,491 hours, 38,010 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT CREW REPORTS WITH ALL BLEED VLVS. (APU & #1 & #2 ENGS) R2 DUCT PRESSURE READS 20PSI ALL BLEEDS OFF. GROUNDED - YES. REMOVED AND REPLACED BLEED AIR REGULATOR REF B737-900 AMM 36-11-03 UP TO STEP 3.E.(6). PERFORM LEAK & OPS CHECK ON #2 ENGINE REF. B737-900 FIM 36-10 TASK 802 H. NO LEAK NOTED @ SENSE LINE, OPS CHECK GOOD.