SDR IPXA2020123063959

Service difficulty report · Shutoff Valve · Boeing 76734AF

Difficulty date: December 30, 2020
Submitted: December 30, 2020
Operation: Air carrier
Aircraft: N318UP
Make and model: Boeing 76734AF
Aircraft serial: 27746
Aircraft time: 59,982 hours, 19,983 cycles
Engine: Ge CF680C2B7F
System (JASC): 3610 · Pneumatic Distribution System
Part: Shutoff Valve
Condition: Malfunctioned
Location: Lt Engine
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

INSPECTION TYPE: N/A ATB, LANDED UNEVENTFUL. NO EMEGENCY DECLARED. AFTER T/O THROUGH 5,000 LT ENGINE HPSOV EICAS L/BLEED LIGHT ILLUMINATED RAN QRH AIR TURNBACK SDF DUE TO ICING AT MCI. EICAS/BLEED REILLUMINATED AT FL 340 AND REMAINED AFTER QRH PROCEDURE, FOUND TERMINAL GRN ON STUD NUMBER ONE BROKEN. REPLACED PER SWPM 20-30-11 AND OPERATIONS OK, PER AMM 36-11-07-501 (ON HPV).

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