Service difficulty report · Rail · Boeing 7377H4

Difficulty date
May 26, 2020
Submitted
July 15, 2021
Operation
Air carrier
Aircraft
N286WN
Make and model
Boeing 7377H4
Aircraft serial
32471
Aircraft time
52,751 hours, 31,274 cycles
Part
Rail
Condition
Corroded
Location
Fuselage
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 SEVERAL SPOTS AT AFT CARGO COMP BILGE AREA FLOOR PANEL SUPPORT ANGLE FROM BS 944.5 TO BS 887 RBL-3 MKD 126-005. WL 155.5 / REMOVED CORROSION ON AFT CARGO COMP BILGE AREA; FLOOR RAIL SUPPORT; FROM STA 887 TO 944.5' RBL-3 PER REF B737 SRM 51-10-02-0G-0; ORIGINAL MAT; .063'; MAT LOST .010'; MAT REMAINING .053'; AREA OUT OF LIMITS PER REF B737 SRM 53-00-53-1A-2 FIG 103; DETAIL D; REMOVED DAMAGED RAIL SUPPORT FROM EXISTING SPLICE STA 887 TO STA 947.5 PER REF B737 SRM 51-40-02-0G-0; THE NEW RAIL SUPPORT TO WILL BE FABRICATE AND INSTALL ON N/R W149577; 1000/0126

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