Service difficulty report · Structure · Boeing 777224

Difficulty date
January 20, 2023
Submitted
January 23, 2023
Operation
Air carrier
Aircraft
N78004
Make and model
Boeing 777224
Aircraft serial
27580
Aircraft time
110,171 hours, 11,395 cycles
Part
Structure
Part number
148W71022
Condition
Cracked
Location
Bs 2370 Bulkhead
Stage of operation
IN
How discovered
9
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

EA5380-01113 REV B OP 018 - RH BS 2370 PIVOT BULKHEAD FORWARD CHORD 2EA CRACK FOUND AT BULKHEAD FORWARD OUTER CHORD AS MARKED , CRACK LENGTH APPROX 1 1/4" AND 7/8" RESPECTIVELY. RH BS2370 PIVOT BULKHEAD FORWARD CHORD REPLACED AND INSTALLED IAW EA5380-01113 REV B OP 26.