Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
July 5, 2023
Submitted
August 29, 2023
Operation
Air carrier
Aircraft
N297WN
Make and model
Boeing 7377H4
Aircraft serial
32542
Aircraft time
51,861 hours, 31,224 cycles
Part
Sidewall Support
Part number
UNKNOWN
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 AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS727D+10 TO BS787+5 LBL22 WL156<[01] VERIFIED MEASUREMENT TABLE.;[02] REPAIRED ACB LH FLOOR TO SIDEWALL SUPPORT; BS 727C+10 TO 787+12; AND INSTALLED REPAIR PARTS; IAW SRM 53-00-53-2R-5; SRM 51-20-01-0G-0;SRM 51-40-05-0G-0;SRM 51-40-02-0G-0; DWG 146A7500. EA M-22-153-01550. ' THE DAMAGE WAS REPAIRED PER SRM 53-00-53-2R-5 (REPAIR 5) AND EA M-22-153-01550'.;[03] MEASUREMENT FIELD ITEM 20; UNABLE TO VERIFY; CAN'T LOCATE A PICTURE IN MXI.;[04] RII REQUIREMENTS COMPLETED.;[05] ATTACHED PHOTO FOR ITEM 20;[06] VERIFIED MEASUREMENTS

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