Service difficulty report · Windshield · Boeing 7879

Difficulty date
October 29, 2020
Submitted
October 30, 2020
Operation
Air carrier
Aircraft
N27957
Make and model
Boeing 7879
Aircraft serial
36409
Aircraft time
24,672 hours, 2,290 cycles
Part
Windshield
Part number
19080020
Part serial
4168
Condition
Damaged
Location
Cockpit
Part time
24,428 hours, 2,839 cycles
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

WINDOW HEAT RT FWD ADVISORY LOSS OF RIGHT FORWARD WINDOW HEAT (PRIMARY). FIM TASK REF: 31-90-F8-01A-421B-A CMC MESSAGE 3032413. FLIGHT STATUS: LT INTERMITTENCE CODE: M PH: CRUISE NARRATIVE: 24 PDHM OPS (GPM L8) CMC MESSAGE 3032413 FLIGHT STATUS: LT INTERMITTENCE CODE: M PH: CRUISE NARRATIVE: 24 PDHM OPS (GPM L8) CMC MESSAGE 3032413 FLIGHT STATUS: LT INTERMITTENCE CODE: M PH: CRUISE NARRATIVE: REF B787 MM TASK DMC-B787-A-56-11-01-00A-52A-A STARTED REMOVAL OF FO'S WINDSHIELD. WINDOW IS DISCONNECTED AND READY TO BE REMOVED FROM WINDOW FRAME. REMOVED DAMAGED WINDOW. STARTED WINDOW INSTALLATION, REF DMC-B787-A-56-11-01-00A-720A-A, STOPPED AT STEP 4E, INSTALLED BOLTS LOOSELY ON TOP SIL. ROTABLE PARTS CHANGE WAS INDICATED-TT NR 1067244 SN OFF 1246 WINDSHIELD, NR 1 OFF 78-5610-9-9002 1246 ON 79-5611-9-0002 4168. REPLACED RIGHT FWD WINDSHIELD, REF DMC-B787-A-56-11-01-00A-520A-A, HEAT TEST PASS. ROTABLE PARTS CHANGE WAS INDICATED-TT NR 1212125 SN OFF 4168 WINDSHIELD, ASSEMBLY OFF 79-5611-9-0002 4168 ON 79-5611-9-0002 3250, REF AMM FLIGHT COMPARTMENT NR 1 WINDOW-INSTALLATION, REFERENCE: DMC-B787-A-56-11-01-00A-720A-A.

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