Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
February 16, 2023
Submitted
March 16, 2023
Operation
Air carrier
Aircraft
N278WN
Make and model
Boeing 7377H4
Aircraft serial
36441
Aircraft time
52,434 hours, 31,459 cycles
Part
Stringer
Condition
Cracked
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

CRACK STRINGER 27L LACATED STA 540 FWD CARGO COMPARTMENT 2023-127548<[01] TOOL USED: ULTRASONIC EQUIPMENT; P/N: 45 MG; S/N: 130063701; DUE DATE: 16-JUN-23.;[02] TOOLS USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 01-FEB-24; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 01-FEB-24.;[03] REPAIRED STRINGER 27L LOCATED BTW BS 500D AND BS 540 FWD CARGO COMPARTMENT IAW SRM B737-700 B737-700 53-00-03-2R-1 REPAIR 1 SEE INDIVIDUAL SIGNOFFS BELOW.;[04] TASK CARD COMPLETED <BR><BR>REPAIRED STRINGER 27L LOCATED BTW BS 500D AND BS 540 FWD CARGO COMPARTMENT IAW SRM B737-700 B737-700 53-00-03-2R-1 REPAIR 1 SEE INDIVIDUAL SIGNOFFS BELOW.<BR>RII

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