Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
September 28, 2023
Submitted
October 24, 2023
Operation
Air carrier
Aircraft
N969WN
Make and model
Boeing 7377H4
Aircraft serial
41777
Aircraft time
37,821 hours, 23,246 cycles
Part
Support Angle
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 ON AFT CARGO COMPARTMENT FLOOR TO SIDEWALL SUPPORT ANGLE AT STATIONS: 767; 767+6; 767+10; WL 156; LBL 22.<[01] THIS CARD WILL BE ACCOMPLISHED ON CUSTOMER CARD NBR: TTG8Q00NPGFW;[02] VERIFIED APPLICABILITY PER SRM 53-60-53-0I-1 AND ALLOWABLE DAMAGE SRM 53-00-53-1A-2.<BR>REMOVED CORROSION ON AFT CARGO COMPARTMENT FLOOR TO SIDEWALL SUPPORT ANGLE REWORKED AREAS FOUND MULTIPLES AREAS WITH MORE 50% OF LOSS MATERIAL BS 767+10 L=1.3' ; W=1.5' ; D= 0.032'. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 STEP A(2)(A) FIG 103<BR>TOOL USED:ATS2472<BR>DUE:12/31/23;[03] VERIFIED STEPS 1 AND 2; MEASUREMENT TABLE; CARD COMPLETE.

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