SDR UIEA2020022430309

Service difficulty report · Valve · Boeing 76731K

Difficulty date: February 22, 2020
Submitted: February 25, 2020
Operation: Air carrier
Aircraft: N1487A
Make and model: Boeing 76731K
Aircraft serial: 28865
Aircraft time: 87,002 hours, 17,800 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Valve
Part number: 3987865
Part serial: S210T13074
Condition: Failed
Location: Cabin Temp
Stage of operation: LD
How discovered: O
Nature of condition: J
Precautionary procedure: K

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

What was found

AFT CABIN TEMP MESSAGE ON LANDING.(<P>TRANSFERRED TO DMI 124984 IAW DDG 21-61-04-02, CAT C, DUE 04MAR20. MX ACTIONS COMPLIED WITH.</P><P>LP 1207060: REMOVED AND REPLACED AFT ZONE TRIM VALVE V3 IAW AMM 21-61-02. PERFORMED OPS CHECK, OPS GOOD. NO FURTHER DEFECTS NOTED. THIS CLEARS DMI 124984. ALL PLACARDS REMOVED.</P>)

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