What was found
PERFORMED TASK CARD NG-36WC-00001 PROCEDURE (L) HIGH STAGE REGULATOR FAILED ON #1 ENGINE. GROUNDED - YES. REMOVED AND REPLACED HIGH STAGE REGULATOR ON #1 ENGINE REF B737-800 AMM 36-11-07, NO LEAKS DETECTED.
- Difficulty date
- February 28, 2021
- Submitted
- March 2, 2021
- Operation
- Air carrier
- Aircraft
- N581AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 49,081 hours, 14,635 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Regulator
- Part number
- 1074847
- Part serial
- 6947
- Condition
- Failed
- Location
- #1 Eng High Stg
- Part time
- 55,126 hours, 19,361 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.