SDR UIEA2021020800241

Service difficulty report · Control Valve · Boeing 7673Y0

Difficulty date: February 7, 2021
Submitted: February 9, 2021
Operation: Air carrier
Aircraft: N1619A
Make and model: Boeing 7673Y0
Aircraft serial: 26208
Aircraft time: 76,028 hours, 13,922 cycles
System (JASC): 4950 · APU Bleed Air System
Part: Control Valve
Part number: 97980612
Part serial: 2589C
Condition: Malfunctioned
Location: Apu Surge
Stage of operation: NR
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

APU PNEUMATIC FUNCTION INOP ( AUXILIARY POWER UNIT, PNEUMATIC FUNCTION )(FWD TO MDDR# 142033. APU AIR INOP MEL 49-11-01-01.07FEB21 - LP 1333515 - ITEM# 2 - BWI - REMOVED AND REPLACED APU SURGE CONTROL VALVE IAW 767 AMM 49-53-01; OPS CHECK GOOD, AT THIS TIME, THIS CLEARS DMI 142033, REMOVED PLACARDS. )

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