Service difficulty report · Controller · Boeing 777300ER

Difficulty date
October 14, 2025
Submitted
October 16, 2025
Operation
Air carrier
Aircraft
N2645U
Make and model
Boeing 777300ER
Aircraft serial
64989
Aircraft time
33,497 hours, 3,657 cycles
Part
Controller
Part number
339910031
Part serial
1820
Condition
Faulted
Location
Nr 2 Engine
Part time
773,643 hours, 710,630 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

BLEED FAMV R EICAS STATUS RIGHT ENGINE BLEED FAN AIR MODULATING VALVE (FAMV) FAILED OPEN O R CLOSED, OR RT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. CMC MSG 3610325, AIR SUPPLY & CABIN PRES SURE CONTROLLER (R) PRESENT LEG FAULTS AND EXISTING FAULTS. R & R E2 HPFAC. REF AMM 36-11-08. R & R E2 FAMV. REF AMM 36-11-16. REPLACED BLEED AIR R ENG, M36113S6 WDM 36-11-16 OPS CHECK OK PER FIM 36-10 TASK 801. FOUND FAMV MESSAGE 36-10325 ON THE MAT. REPLACED FAMV REF AMM 36-11-16 AND HPFAC REF 36-11-08. ACCOMPLISHED BLEED SHIFT ENGINE AIR SUPPLY OPS TEST REF AMM TASK 36-10-00-700-801. TEST PASSED. SET ENGINE 2 TO TAKE OFF POWER FOR 5 MIN TO ENSURE NO BLEED TRIP OR FAMV MESSAGE.

More about the Boeing 777-300ER