Service difficulty report · Plate · Boeing 7377H4

Difficulty date
February 19, 2023
Submitted
March 17, 2023
Operation
Air carrier
Aircraft
N278WN
Make and model
Boeing 7377H4
Aircraft serial
36441
Aircraft time
52,434 hours, 31,459 cycles
Part
Plate
Condition
Corroded
Location
Zn 100 Fus Lower
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 FLOOR STRUCTURE PLATE BTW BS 847 TO BS 850 AT LEVEL RBL 18 BTW S 25R TO S 26R AT AFT CARGO COMPARTMENT 2023-127666<[01] REPLACED STRAP AND FASTENER LOCATED BTW BS 847 TO BS 850 AT LEVEL RBL 18 BTW S 25R TO S 26R AT AFT CARGO COMPARTMENT IAW SRM B737-700 51-40-02 AND DRAWING 146A0081 REV - SEE INDIVIDUAL SING-OFFS BELOW.;[02] REMOVED STRAP FLOOR STRUCTURE LOCATED BTW BS 847 TO BS 850 AT LEVEL RBL 18 BTW S 25R TO S 26R AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 RII

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