Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
March 31, 2021
Submitted
May 3, 2021
Operation
Air carrier
Aircraft
N735SA
Make and model
Boeing 7377H4
Aircraft serial
27867
Aircraft time
74,508 hours, 43,627 cycles
Part
Stiffener
Condition
Cracked
Location
Bs 663 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

HORIZONTAL STIFFENER ON FWD SIDE BS663 VAPOR BARRIER IS CRACKED AT LBL8 WL152 / REMOVED DAMAGED STIFFENER AND INSTALLED NEW HORIZONTAL STIFFENER BS 663 LBL 6-32 IAW SRM 51-40-02-0G-0 AND DWG 111A1000 & 111A1001

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