Service difficulty report · Doubler · Boeing 777FS2

Difficulty date
October 3, 2020
Submitted
October 27, 2020
Operation
Air carrier
Aircraft
N856FD
Make and model
Boeing 777FS2
Aircraft serial
37727
Aircraft time
40,754 hours, 6,336 cycles
Part
Doubler
Part number
143W2314Y406
Condition
Out Of Alignment
Location
Zone 100
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

WHILE ACCOMPLISHING EO G-5310-E0332629 H P6 FOUND NEW FUSELAGE SKIN DOUBLER PART NUMBER 143W2314Y406 PILOT HOLES MISALIGN WITH EXISTING FUSELAGE SKIN HOLES, BETWEEN BODY STATION 993 TO BODY STATION 1008, BETWEEN STRINGER S35R TO STRINGER S36R. DOUBLER WITH MISALIGNED HOLES REPLACED WITH NEW PART 143W2314Y406 AND INSTALLED, AS PER EO NR G-5310-E0332629 H P6. TITLE: FUSELAGE-MAINFRAME-INSPECTION AND MODIFICATION OF THE UNDERWING LONGERON AT BODY STATION 1035-BOEING SERVICE BULLETINS 777-53A0081 AND 777-53-0087. REPAIR CLASSIFIED AS MAJOR, PER GMM 6-2-100.

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