SDR UIEA2020100512147

Service difficulty report · Controller · Boeing 76738E

Difficulty date: October 1, 2020
Submitted: October 5, 2020
Operation: Air carrier
Aircraft: N641GT
Make and model: Boeing 76738E
Aircraft serial: 25132
Aircraft time: 88,805 hours, 25,243 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Controller
Part number: 8044012005
Part serial: 00031567
Condition: Malfunctioned
Stage of operation: CL
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

AFTER T/O AT APPROX 9000' EICAS MSG "LT ENGINE PRV" DISPLAYED AND WENT AWAY TWICE. NOW "LT ENGINE PRV" STATUS MESSAGE DISPLAYED. REMOVED AND REPLACED LT ENGINE PRV CONTROLLER, IAW AMM REF 36-11-19. OPERATIONS CHECK OK, LEAK CHECK OK. MESSAGE CLEARED. S/N OFF: MTH00887, P/N OFF: 792755-15. REMOVED AND REPLACED AIR SUPPLY BITE MODULE, IAW AMM REF 36-23-01, BITE TEST OK.

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