What was found
ETOPS SIGNIFICANT REPORT, LT ENGINE PNEUMATIC HEALTH CHECK REQUIRED - PERFORMED PNEUMATIC HEALTH CHECK PER AMM, FOUND HPSOV FAULTY. REPLACED HPSOV PER AMM
- Difficulty date
- September 21, 2026
- Submitted
- September 24, 2026
- Operation
- Air carrier
- Aircraft
- N688SL
- Make and model
- Boeing 757230
- Aircraft serial
- 25140
- Aircraft time
- 107,857 hours, 27,543 cycles
- Engine
- Pwa PW2037
- Engine time
- 87,459 hours, 27,857 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Part number
- 32144887
- Part serial
- 2147
- Condition
- Faulty
- Location
- Lt Engine
- Stage of operation
- IN
- 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.