Service difficulty report · Bleed Valve · Boeing 7378H4

Difficulty date
November 1, 2024
Submitted
November 6, 2024
Operation
Air carrier
Aircraft
N8682B
Make and model
Boeing 7378H4
Aircraft serial
36651
Aircraft time
41,070 hours, 23,881 cycles
Engine
Cfmint CFM567B27E
Part
Bleed Valve
Condition
Failed
Location
Nr 2 Engine
Stage of operation
TX
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

DURING TAXI OUT #2 ENGINE FAILED<[01] REMOVED AND INSTALLED ENG 2 BLEED AIR VALVE PER AMM 36-11-02. INSPECTED BLEED AIR VALVE ON PER FIM 73-05 TASK 805 AND AMM 36-11-02. BAV OPERATES CORRECTLY.;[02] INSPECTED ENG 2 SPAR VALVE PER FIM 73-05 TASK 805 AND AMM 28-22-11. LEVER TRAVELS FULLY AND FREELY. OP CHECK GOOD.;[03] PER FIM 73-05 TASK 805 AND AMM 79-00-00 PERFORMED THE INSPECTION OF THE #2 ENG CHIP DETECTORS AND SCAVENGE SCREENS; NO DEFECTS NOTED. <BR>PERFORMED EXAMINATION OF #2 ENG FUEL FILTER AND REPLACEMENT PER AMM 36-11-02. NO FAULTS NOTED.;[04] PERFORMED ENG F/F INSPECTION AND R/R PER M/M 73-11-02. OPS CK GOOD. PERFORMED BAD CHECK PER 36-11-02 OPS & VISUAL CK OK. INSPECTED SPAR VALVE PER 73-05 AND 28-22-11. OPS CK GOOD.INSPECTED CHIPS PER M/M 79-00-00. OPS CK OK.RAN ENGINE PER ENGINEERING REQUEST TO P/P 85% AND BLEED CHECK. ENGINE RAN GOOD AND BLEED OPS CK GOOD. PERFORMED EEC AND DEU CHECK PER 73-05 AND START LEVER CK PER 76-11-02. A/C OK FOR SVC. ALSO PERFORMED TEST 5 POWER ASSURANCE. OPS CK GOOD.

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