What was found
FLT NO.: N/A (MX FINDING). ESI - LEFT ENGINE HIGH STAGE SYSTEM PNEUMATIC HEALTH CHECK REQUIRED. ACCOMPLISHED PNEUMATIC HEALTH CHECK OF THE LH HPSOV AND HS PILOT PER AMM. HS PILOT FAILED. REPLACED PER AMM.
- Difficulty date
- December 22, 2023
- Submitted
- December 27, 2023
- Operation
- Air carrier
- Aircraft
- N888LT
- Make and model
- Boeing 757230
- Aircraft serial
- 25441
- Aircraft time
- 80,278 hours, 25,600 cycles
- Engine
- Pwa PW2037
- Engine time
- 82,387 hours, 27,188 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Part number
- 33990047
- Part serial
- 1171
- Condition
- Failed
- Location
- Lt Engine
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- S
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.