Service difficulty report · Support Channel · Boeing 7377BD

Difficulty date
December 13, 2022
Submitted
January 30, 2023
Operation
Air carrier
Aircraft
N7744A
Make and model
Boeing 7377BD
Aircraft serial
33931
Aircraft time
51,253 hours, 26,798 cycles
Part
Support Channel
Condition
Corroded
Location
Bs 500-500d
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 CHANNEL SUPPORT ZEE BTW BS 500 TO BS 500D AT LEVEL STR 26L AND WL 154.5 AT FWD CARGO COMPARTMENT 2022-691703<[01] REPLACED SUPPORT ZEE BTW BS 500 TO BS 500D AT LEVEL STR 26L AND WL 154.5 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 143A7500 SHEET 58; REV <BR>SEE INDIVIDUAL SIGNOFF BELOW.;[02] REPLACED SUPPORT ZEE BTW BS 400 TO BS 500D AT LEVEL STR 26L AND WL 154.5 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 143A7500 SHEET 58; REV SEE INDIVIDUAL SIGNOFF BELOW.;[03] CORRECTED STEP 1;2 <BR>REPLACED SUPPORT ZEE BTW BS 400 TO BS 500D AT LEVEL STR 26L AND WL 154.5 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 51-10-02 PARAGRAPH 9 AND DWG 143A7500 SHEET 58; REV <BR>SEE INDIVIDUAL SIGNOFF BELOW.;[04] REPLACED SUPPORT ZEE BTW BS 400 TO BS 500D AT LEVEL STR 26L AND WL 154.5 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 51-10-02 PARAGRAPH 9 AND DWG 143A7500 SHEET 58; REV <BR>RII <BR>SEE INDIVIDUAL SIGNOFF BELOW.

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