SDR UIEA2020051601043

Service difficulty report · Control Valve · Boeing 76731B

Difficulty date: May 16, 2020
Submitted: May 18, 2020
Operation: Air carrier
Aircraft: N1361A
Make and model: Boeing 76731B
Aircraft serial: 26265
Aircraft time: 91,847 hours, 20,149 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Control Valve
Part number: 3987505
Part serial: 1736C
Condition: Malfunctioned
Location: Cabin Temp
Stage of operation: IN
How discovered: C
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

RIGHT PACK TEMP EICAS MESSAGE(RESET R PACK CONTROLLER. RT PACK OPERATES NORMAL IN STANDBY MODE, REF AMM 21-61-00. TRANSFERRED TO MDDR 128437 PER DDG 21-51-03-01, CAT 'C', DUE 26MAY2020.LP 1150826: REMOVED AND REPLACED PAX TEMP CONTROL VALVE IAW AMM 21-51-12. OPS CHECK GOOD. THIS CLEARS MDDR 128437. PLACARD REMOVED. )

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