Service difficulty report · Angle · Boeing 7377H4

Difficulty date
August 9, 2019
Submitted
March 15, 2022
Operation
Air carrier
Aircraft
N411WN
Make and model
Boeing 7377H4
Aircraft serial
29821
Aircraft time
61,828 hours, 36,520 cycles
Part
Angle
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

AFT CARGO FLOOR AREA FLOOR SUPPORT T-ANGLE AT STA 795 AND RBL 18 SHOWS SOME HOLES WITH CORROSION. 82-114. / REMOVED CORROSION ON AFT CARGO COMP. FLOOR SUPPORT 'T' ANGLE AT STA: 795 AND RBL-18 PER REF B737 SRM 51-10-02-0G-0; AREA WITHIN LIMITS PER REF. B737 SRM 53-00-53-1A-2 FIG 103 DITAIL H. / AFTER SECOND INVESTIGATION ON ALLOWABLE DAMAGED; FOUND ON STEP 4B DETAIL D' FIG. 103; NO CORROSION NOTE ALLOWABLE AT HOLE; FWD AND AFT CARGO COMP. FLOOR STRUCTURES; REMOVED AND REPLACED SUPPORT TRACK FROM EXISTING REPAIR SPLICE AT STA 779.5 TO EXISTING SPLICE STD: 887; RBL 13.8 PER REF B-737 SRM 53-00-53-2R-3 AND E.A. 1-453-8210.

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