What was found
#1 ENGINE HPTACC VALVE DRAIN FOUND LEAKING AT 30 DPM DURING ENGINE CHANGE LEAKS CHECKS. GROUNDED - YES. REMOVED AND REPLACED HPTACC VALVE REF B737-800 AMM 75-21-01/401. NO LEAKS NOTED. ORIG SUBMISSION DATE: 12/22/2022
- Difficulty date
- December 18, 2022
- Submitted
- December 27, 2022
- Operation
- Air carrier
- Aircraft
- N589AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35686
- Aircraft time
- 54,302 hours, 15,964 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7500 · Engine Bleed Air System
- Part
- Valve
- Part number
- 1821M59P05
- Part serial
- GRTG4753
- Condition
- Leaking
- Location
- Nr 1 Engine
- Part time
- 19,322 hours, 9,907 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.