Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 10, 2023
Submitted
October 6, 2023
Operation
Air carrier
Aircraft
N901WN
Make and model
Boeing 7377H4
Aircraft serial
32545
Aircraft time
51,839 hours, 30,144 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 SUPPORT ZEE LOACATED BS747 RBL21 AND WL156 AFT CARGO COMPARTMENT 2023-568886 (LOCATED BS747 RBL21 AND WL156 AFT CARGO COMPARTMENT)<[01] REPLACED NEW SUPPORT ZEE LOCATED BTW BS727 TO 767 RBL21 AND WL156 AFT CARGO COMPARTMENT I.A.W B737-700 SRM 51-40-02-0G-0; SRM 51-10-02-0G-0 PARAGRAPH 9 AND DWG 146A7500 SHEET: 113 REV -.;[02] CORRECTED STEP 1; REPLACED NEW SUPPORT ZEE LOCATED BTW BS727 TO BS767 RBL21 AND WL156 AFT CARGO COMPARTMENT I.A.W B737-700 SRM 51-40-02-0G-0; SRM 51-10-02-0G-0 PARAGRAPH 9 AND DWG 146A7500 SHEET: 113 REV -. SEE INDIVIDUAL SIGN OFF BELOW.;[03] REPLACED NEW SUPPORT ZEE LOCATED BTW BS727 TO BS767 RBL21 AND WL156 AFT CARGO COMPARTMENT I.A.W B737-700 SRM 51-40-02-0G-0; SRM 51-10-02-0G-0 PARAGRAPH 9 AND DWG 146A7500 SHEET: 113 REV -. SEE INDIVIDUAL SIGN OFF BELOW. CERTIFIED RII

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