Service difficulty report · Support · Boeing 7377CT

Difficulty date
May 9, 2023
Submitted
June 14, 2023
Operation
Air carrier
Aircraft
N7823A
Make and model
Boeing 7377CT
Aircraft serial
32749
Aircraft time
66,403 hours, 34,323 cycles
Part
Support
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 SUPPORT ZEE BTW STA 727 TO STA 767 RBL 21 AFT CARGO COMPARTMENT 2023-310488<[01] TOOL USED: ULTRASONIC THICKNESS GAGE. P/N: 45MG. S/N: 130064101. DUE DATE: 12-OCT-23.;[02] REMOVED CORROSION AND EVALUATED REWORK AREA ON SUPPORT ZEE LOCATED BTW STA 727 TO STA 767 RBL 21 AFT CARGO COMPARTMENT AND FOUND WITHIN LIMITS IAW B737-700 SRM 53-00-53-1A-2 PAR. 4A (2) FIG. 103 DETAIL D. MEASURE OF REWORKED AREA IS: 0.037?. SEE INDIVIDUAL SIGNSOFF BELOW;[03] REMOVED CORROSION AND EVALUATED REWORK AREA ON SUPPORT ZEE LOCATED BTW STA 727 TO STA 767 RBL 21 AFT CARGO COMPARTMENT AND FOUND WITHIN LIMITS IAW B737-700 SRM 53-00-53-1A-2 PAR. 4A (2) FIG. 103 DETAIL D. MEASURE OF REWORKED AREA IS: 0.037?. SEE INDIVIDUAL SIGNSOFF BELOW

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