Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 13, 2021
Submitted
October 4, 2021
Operation
Air carrier
Aircraft
N967WN
Make and model
Boeing 7377H4
Aircraft serial
36967
Aircraft time
33,104 hours, 20,101 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo Bay
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

CORROSION ON FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT B.S. 500C+9; L.B.L. 24; W.L. 154. ; / [01] REMOVED CORROSION AT ACB FLOOR TO SIDEWALL SUPPORT BS.500+9'; LBL.24'; WL.154 L=.500' X W=.500' IAW SRM 51-10-02; [02] REMOVED CORROSION AT ACB FLOOR TO SIDEWALL SUPPORT BS.500+9'; LBL.24'; WL.154 L=.500' X W=.500' DEPTH=.008 IAW SRM 51-10-02 FOUND TO BE OUT OF LIMITS ORIGINAL THICKNESS .040' MAX. ALLOWABLE DAMAGE 10% IAW SRM 53-00-53-1A-2 STEP 4A; [03] CERTIFIED; [04] REPLACE PART FOR REPAIR; THE PART WILL BE REPLACED UNDER FAULT FUSE. 5072 (TTG8Q006HSW0); [05] VERIFIED OUT OF LIMITS PER SRM 53-00-53-1A-2; STEP 4A; VERIFIED WORK TO BE PERFORMED ON FAULT TTG8Q006HSW0

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