Service difficulty report · Flange · Boeing 7377BD

Difficulty date
March 12, 2022
Submitted
April 19, 2022
Operation
Air carrier
Aircraft
N7702A
Make and model
Boeing 7377BD
Aircraft serial
33917
Aircraft time
58,738 hours, 31,443 cycles
Part
Flange
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 EXISTING REPAIR FLOOR BEAM LOCATED BS947.5 RBL51 AND WL208.1 AT AFT GALLEY AREA 2022-122325 / [01] REPAIRED FLOOR BEAM UPPER FLANGE LOCATED BS947.5; RBL51 AND WL208.1 AT AFT GALLEY AREA I.A.W B737-700 SRM 53-70-51-2R-5 AND EA #22-153-00907 REV. 1; EA 22-153-00907-WIP1 REV. 1 AND EA 22-153-00907-WIP2 REV. 1. THIS REPAIR IS CLASSIFIED CATEGORY A. SEE INDIVIDUAL SIGNOFFS BELOW;[02] CORRECTED STEP 1: <BR>REPAIRED FLOOR BEAM UPPER FLANGE LOCATED BS947.5; LBL10 TO RBL 59 AND WL208.1 AT AFT GALLEY AREA I.A.W B737-700 SRM 53-70-51-2R-5 AND EA #22-153-00907 REV. 1; EA 22-153-00907-WIP1 REV. 1 AND EA 22-153-00907-WIP2 REV. 1. THIS REPAIR IS CLASSIFIED CATEGORY A. SEE INDIVIDUAL SIGNOFFS BELOW;[03] REPAIRED FLOOR BEAM UPPER FLANGE LOCATED BS947.5; LBL10 TO RBL 59 AND WL208.1 AT AFT GALLEY AREA I.A.W B737-700 SRM 53-70-51-2R-5 AND EA #22-153-00907 REV. 1; EA 22-153-00907-WIP1 REV. 1 AND EA 22-153-00907-WIP2 REV. 1. THIS REPAIR IS CLASSIFIED CATEGORY A. SEE INDIVIDUAL SIGNOFFS BELOW<BR>RII

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