Service difficulty report · Strap · Boeing 7378H4

Difficulty date
June 24, 2024
Submitted
August 5, 2024
Operation
Air carrier
Aircraft
N8323C
Make and model
Boeing 7378H4
Aircraft serial
37005
Aircraft time
38,276 hours, 17,956 cycles
Part
Strap
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 ON STRAP LOCATED BTW BS767 TO BS787 WL156 AND BTW LBL21 TO RBL21 AT AFT CARGO COMPARTMENT 2024-402004<[01] REPLACED STRAP LOCATED BTW BS767 TO BS787 WL156 AND BTW LBL21 TO RBL21 AT AFT CARGO COMPARTMENT DUE TO NOT FOUND ALLOWABLE DAMAGE IN SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2; IAW B737-800 SRM 51-10-02 Ï¿½TEM 9 AND DWG 146A7500; SHEET 213; REV.-MEASURES OF CORROSION IS L=0.630?; W=0.365? MRT OF REWORK AREA IS: 0.053?. TOOL USED: CALIPER P/N:500-197-30 S/N: B2316910;DUE DATE: 04-FEB-25; MICROMETER: P/N: 293-344-30; S/N: 72642176; DUE DATE: 11-AUG-24.;[02] REPLACED STRAP LOCATED BTW BS767 TO BS787 WL156 AND BTW LBL21 TO RBL21 AT AFT CARGO COMPARTMENT DUE TO NOT FOUND ALLOWABLE DAMAGE IN SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2; IAW B737-800 SRM 51-10-02 Ï¿½TEM 9 AND DWG 146A7500; SHEET 213; REV.-MEASURES OF CORROSION IS L=0.630?; W=0.365? MRT OF REWORK AREA IS: 0.053?. TOOL USED: CALIPER P/N:500-197-30 S/N: B2316910;DUE DATE: 04-FEB-25; MICROMETER: P/N: 293-344-30; S/N: 72642176; DUE DATE: 11-AUG-24.

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