SDR UIEA2020093092128

Service difficulty report · Controller · Boeing 76731K

Difficulty date: September 28, 2020
Submitted: September 30, 2020
Operation: Air carrier
Aircraft: N1489A
Make and model: Boeing 76731K
Aircraft serial: 27206
Aircraft time: 108,031 hours, 21,431 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Controller
Part number: 77328915
Part serial: 200306058
Condition: Malfunctioned
Location: Rt Engine
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

RT ENG HPSOV. TRANSFERRED TO MDDR 135110, PER DDG 36-11-02-02, CAT C. MX ACTION C/W. HPSOV LOCKED CLOSED. DUE 8 OCT 20. REMOVED AND REPLACED HPSOV, IAW AMM 36-11-01 LEAK CHECK PENDING. NO LEAKS NOTED, OPS CHECK NORMAL, IAW AMM 36-11-07. THIS CLEARS MDDR 135110. PLACARDS REMOVED. SP 2035Z S/N OFF: 9805135 P/N OFF 802170-12. REMOVED AND REPLACED HPSOV CONTROLLER ASSY, NO LEAKS NOTED. OPS CHECK NORMAL, IAW AMM 36-11-08.

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