Service difficulty report · Hmu · Boeing 7378H4

Difficulty date
December 11, 2020
Submitted
December 15, 2020
Operation
Air carrier
Aircraft
N8527Q
Make and model
Boeing 7378H4
Aircraft serial
36946
Aircraft time
12,879 hours, 5,812 cycles
Engine
Cfmint CFM567B27E
Part
Hmu
Part number
1853M56P16
Part serial
BECWE1878
Condition
Leaking
Location
Nr 2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

SUSPECTED RIGHT ENGINE FUEL LEAK AT FL 370. FOLLOWED QRH AND SHUT RIGHT ENGINE DOWN. DIVERTED TO NEAREST SUITABLE AIRPORT. FOUND HMV FRONT DATA PLATE LEAKING AT VERY TOP 12 O'CLOCK POSITION. R & R NR 2 HMV, PER MT 773-21-10. PERFORMED NR 2 ENGINE ACTUATORS TEST, PER AMM 71-00-00 TEST 12. PERFORMED NR 2 ENGINE RUN LEAK CHECK, PER AMM 71-00-00, NO DEFECTS NOTED. PART TRANSITION NR 3110984, ONE TIME AUTHORIZATION R11-9297 POS 2: P/N OFF/ON: 1853M56P16S/N OFF: BECWE1878 S/N ON: BECWE793.

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