Service difficulty report · Shutoff Valve · Boeing 7379

Difficulty date
November 21, 2022
Submitted
November 21, 2022
Operation
Air carrier
Aircraft
N27539
Make and model
Boeing 7379
Aircraft serial
64468
Aircraft time
182 hours, 80 cycles
Part
Shutoff Valve
Part number
632920682
Condition
Failed
Location
#2 Eng
Stage of operation
CR
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

ENG ANTI-ICE COWL VALVE LIGHT IS ON AT LESS THAN 28000 FEET REQUEST DEFERREL PER MEL3021D. DEFERRED ENGINE ANTI ICE #2 IAW MEL 3021D. C/W DDP PROCEDURES. #2 COWL VALVE VALVE IS LOCKED OPEN. HIGH PRESSURE SHUTOFF VALVE IS DEACTIVATED CLOSED. TOMC APPROVED STILL FAULTING BLEED HPSOV REF FUP 3114218 AND LOG 3118271. HPSOV ARRIVE DEN FLT 1451 08:48/11-20. M&L UPDATED REDEFERRED ENGINE ANTI ICE #2 IAW MEL 3021D. C/W DDP PROCEDURES. UPDATED WITH PAPERWORK UPDATED PAPERWORK ROTABLE PARTS CHANGE WAS INDICATED - TT # 1811237 SN OFF 3124 VALVE, SHUTOFF, OFF 42-3611-9-0003 3124 ON 42-3611-9-0003 2474 REMOVED AND REPLACED THE #2 ENGINE HPSOV IN REFERENCE WITH THE APPLICABLE STEPS OF AMM 36-11-07/401. LEAK CHECK GOOD AT THIS TIME. OPS CHECK GOOD AT THIS TIME.

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