Service difficulty report · Bracket · Boeing 7377H4

Difficulty date
February 14, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N289CT
Make and model
Boeing 7377H4
Aircraft serial
36633
Aircraft time
50,940 hours, 30,659 cycles
Part
Bracket
Condition
Corroded
Location
Zn 100 Fus Lower
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

AFT BULKHEAD LOWER SUPPORT ANGLE IS CORRODED; BS947; LBL11-RBL24; WL186<[01] REMOVED AFT BULKHEAD LOWER SUPPORT ANGLE LOCATED BTW. BS 947 RBL 20.0 -LBL 8.1 IAW SRM 51-40-02.;[02] EVALUATE DAMAGE: AFT BULKHEAD LWR SUPPORT NOT HAS ALLOWABLE DAMAGE IN SRM MUST BE REPAIR BY REPLACEMENT IAW SRM 51-10-02 PARAG. 9.C.;[03] VERIFIED CORRECTIVE ACTION 2 .;[04] INSTALLED NEW SUPPORT BRACKET ASSY. AS PER SRM 51-40-02 AND DWG 149A8117.;[05] VERIFIED CORRECTIVE ACTION 4;[06] UPDATED MEASUREMENT TABLE;[07] VERIFIED MEASUREMENT TABLE

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