Service difficulty report · Bulkhead · Boeing 7377H4

Difficulty date
November 13, 2021
Submitted
December 6, 2021
Operation
Air carrier
Aircraft
N914WN
Make and model
Boeing 7377H4
Aircraft serial
36622
Aircraft time
45,584 hours, 27,417 cycles
Part
Bulkhead
Condition
Cracked
Location
Fuselage
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

CRACKED LOWER R/H COMPOSITE BULKHEAD AT BS663 RBL39 WL161. MARKED ; / [01] IDENTIFIED MATERIAL OF VAPOR BARRIER WEB IAW SRM 57-10-10-0I-2 FIGURE 1 AND 2; ITEM# 4; TABLE 2<BR><BR>DAMAGE IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-10-10-1A-2 PARA 4.D(1)<BR><BR>REPAIR TO BE ACCOMPLISHED IAW SRM 51-70-04-2R-10 PER SRM 57-10-10-2R-2 PARA 1.C<BR><BR>VISUALLY EXAMINED 4 AREAS OF DAMAGE; TAP TESTED - DISBOND NOTED; AREA #1; REMOVED .5' X .5' OF DAMAGE AT IB EDGE AND 10' FROM TOP EDGE; AREA #2; REMOVED 1' X 5.5' OF DAMAGE AT 22' FROM IB EDGE AND TOP EDGE TO 4' DOWN; AREA #3; REMOVED 1' X 21' OF DAMAGE 34' FROM IB EDGE AND TOP EDGE TO LWR EDGE; AREA #4; REMOVED 1' X 1.5' OF DAMAGE 49' FROM IB EDGE AND 1.5' FROM LWR EDGE

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