Service difficulty report · Web · Boeing 7377H4

Difficulty date
October 21, 2023
Submitted
January 3, 2024
Operation
Air carrier
Aircraft
N461WN
Make and model
Boeing 7377H4
Aircraft serial
32465
Aircraft time
64,738 hours, 38,739 cycles
Part
Web
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 WEB LOCATED BTW BS727A TO BS727B AND LBL3.0 WL148.5 AT AFT CARGO COMPARTMENT 2023-652091<[01] ULTRASONIC THICKNESS GAGE P/N:45MG; S/N: 221859911; DUE DATE: 07-NOV-23.;[02] EVALUATED REWORK AREA WEB LOCATED BTW BS727A TO BS727B AND LBL3.0 WL148.5 AT AFT CARGO COMPARTMENT AND FOUND WITHIN LIMITS IAW B737-700 SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2; ITEM 4.C(B)(1); FIGURE 103 DETAIL E.. SEE INDIVIDUAL SIGNOFFS BELOW.;[03] EVALUATED REWORK AREA WEB LOCATED BTW BS727A TO BS727B AND LBL3.0 WL148.5 AT AFT CARGO COMPARTMENT AND FOUND WITHIN LIMITS IAW B737-700 SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2; ITEM 4.C(B)(1); FIGURE 103 DETAIL E.. SEE INDIVIDUAL SIGNOFFS BELOW.

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