Service difficulty report · Bulkhead · Boeing 7377H4

Difficulty date
June 16, 2022
Submitted
August 10, 2022
Operation
Air carrier
Aircraft
N951WN
Make and model
Boeing 7377H4
Aircraft serial
36665
Aircraft time
39,132 hours, 23,683 cycles
Part
Bulkhead
Condition
Cracked
Location
Center Wing
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

CRACK ON LOWER L/H COMPOSITE BULKHEAD AT LBL 35 BS 663. / [01] IDENTIFIED PANEL IAW SRM 57-10-10-0I-2 FIGURE 2 ITEM [4] AND TABLE 2 ITEM [4]. DAMAGE IS BEYOND ALLOWABLE LIMITS IAW SRM 57-10-10-1A-2 PARAGRAPH 4.D.(1).(A) AND WILL BE REPAIRED IAW SRM 51-70-04-2R-10 PER SRM 57-10-10-2R-2 PARAGRAPH 1.C. REMOVED EXTENSIVE CRACK DAMAGE FROM A 28'X18' AREA LOCATED MIDSPAN OF THE PANEL AND PREPPED AREA FOR REPAIR; WORK ACCOMPLISHED IAW SRM 51-70-04-2R-10 PARAGRAPH 4.A-C.;04] FABRICATED REPAIR PLIES FROM BMS9-3 STYLE 1581 LOT NUMBER 1493221-1 IAW SRM 51-70-04-2R-10 PARAGRAPH 4.D; OK TO INSTALL REPAIR PLIES.;[05] INSPECTED AND VERIFIED CORRECTIVE ACTION 4. KAY TO INSTALL REPAIR PLIES PER SRM 51-70-04-2R-10.;[06] INSTALLED REPAIR PLIES USING BMS 8-301 CL1 GR1 LOT#JH2EAA8896;

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