Service difficulty report · Spar · Boeing 777FS2

Difficulty date
January 15, 2021
Submitted
February 4, 2021
Operation
Air carrier
Aircraft
N855FD
Make and model
Boeing 777FS2
Aircraft serial
37726
Aircraft time
40,981 hours, 6,456 cycles
Part
Spar
Part number
111W220251
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
E
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

DURING HFEC OPEN HOLE INSPECTION CARRIED OUT AS PER EO NO:E G-5310-E0332629 I P6 ON OVERSIZED FASTENER HOLES AND FOUND (01 EA) CRACK INDICATION ON RHS VERTICAL FLANGE OF THE FRONT LOWER SPAR CHORD AT BS 1035 APPROX. RBL 81.30 LOWER O/B HOLE. WING CENTER SECTON RHS VERTICAL FLANGE OF THE FRONT LOWER SPAR CHORD AT BS 1035 APPROX RBL 81.30 LOWER O/B HOLE CRACKED REPAIRED CARRIED OUT AS PER E.A.#G- 5310-T0359410 P2 TITLE: FUSELAGE-MAINFRAME-DEVIATIONS TO SB-777-53-0087 R1-LHS AND RHS UNDERWING LONGERON MODIFICATION AND B777 SRM 57-10-10-2R REPAIR 1 FIG 202 REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100. (SNRM N00604 AND WRI 53-10/1149 FOR WORK DETAILS)

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