Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 10, 2023
Submitted
April 18, 2023
Operation
Air carrier
Aircraft
N281WN
Make and model
Boeing 7377H4
Aircraft serial
36528
Aircraft time
51,516 hours, 31,045 cycles
Part
Support
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 CARGO - AFT BULKHEAD LOWER FLOOR SUPPORT HAS CORROSION BS 947 LBL 3; LBL 4.5; LBL 8; LBL12.5; RBL 2; RBL 5.5; RBL 7.75; RBL 8.5; RBL 10; RBL 11.75; RBL 14; RBL 15.25.<[01] REMOVED AFT CARGO BAY AFT LOWER BULKHEAD SUPPORT AT BS 947 BRACKET P/N (149A8118-29) IAW SRM 51-40-02.;[02] NO ALLOWABLE DAMAGE PART THAT DOES NOT HAVE ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0.;[03] VERIFED CORRECTIVE ACTION 2.;[04] RECEIVED NEW/SERVICABLE AFT CARGO- AFT BULKHEAD LOWER FLOOR SUPPORT; LOCATED AND DRILLED PER SRM#51-40-05 AND BOEING DWG#149A8118;[05] VERIFIED CORRECTIVE ACTION 4;[06] AFT CARGO- AFT BULKHEAD LOWER FLOOR SUPPORT WILL BE INSTALLED ON CUSTOMER CARD NBR:5360-E-16462-NG (TTG8Q004C8NT);[07] VERIFIED CORRECTIVE ACTION 6;[08] VERIFIED MEASUREMENT TABLE

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