Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 28, 2021
Submitted
October 27, 2021
Operation
Air carrier
Aircraft
N263WN
Make and model
Boeing 7377H4
Aircraft serial
32520
Aircraft time
46,043 hours, 27,465 cycles
Part
Support
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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 FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT BS 480+14 TO BS 440+6 LBL25 WL156 ; / [01] REMOVED CORROSION AT FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT BTW BS 440+6 TO BS 480+14; LBL 25 WL 156 PER SRM 51-10-02; MAX.MATERIAL LOSS; MEASURE L=1.4' X W= 1.' X D= 0.020' REMAINING THICKNESS IS 0.020'; ORIG.THICKNESS 0.040' BAC1496-444. PER SRM 53-30-53-0I-2 IDENTIFICATION 2 TABLE 2 ITEM[1] REWORKED AREA FOUND OUT OF LIMITS IAW SRM 53-00-53-1A-2 PARAG.4.A.(2) DETAIL D FIG.103. RECEIVED LOCATED AND DRILLED NEW FLOOR TO SIDEWALL SUPPORT MAT. IAW SRM 51-40-02-0G-0 AND DWG#143A7500.

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