Service difficulty report · Bulkhead · Boeing 7377H4

Difficulty date
August 31, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N969WN
Make and model
Boeing 7377H4
Aircraft serial
41777
Aircraft time
32,035 hours, 19,489 cycles
Part
Bulkhead
Condition
Cracked
Location
Bs 663
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

LT MLG W/W ;FWD BULK HEAD HAVE VAPOR BARRIER CRACK APPOX 4 INCH LONG . CRACK LOCATED AT BETWEEN LBL 31 AND LBL 45;BEHING A HYD RETURN FILTER. ; / [01] PERFORMED INTERIM SEAL ON WHEEL WELL SIDE OF VAPOR WEB PER SRM 57-10-10-1A-2 STEP 2.C.4(A). VISUAL REINSPECTION OF THE REPAIR AREA DUE AT 1200 FLIGHT CYCLE INTERVALS OR MORE FREQUENTLY. IF ADDITIONAL DAMAGE IS FOUND; REFER TO SRM<BR>57-10-10-1A-2 FOR DAMAGE LIMITS AND REPAIRS

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