Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 7, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N229WN
Make and model
Boeing 7377H4
Aircraft serial
32498
Aircraft time
58,665 hours, 35,024 cycles
Part
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 BS727E+19' TO BS767+10' LBL22 WL156<[01] CORROSION FOUND TO BE OUT OF LIMITS; REMOVED DAMAGED SECTION; FABRICATED REPAIR PARTS; INSTALLED REPAIR PARTS FOR ACB LH FLOOR TO SIDEWALL SUPPORT; BS 727C+10 TO 787+10; IAW SRM 53-00-53-R-5; 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'.;[02] VERIFIED CORRECTIVE ACTION #1

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