Service difficulty report · Angle · Boeing 7378H4

Difficulty date
November 10, 2020
Submitted
November 18, 2020
Operation
Air carrier
Aircraft
N8657B
Make and model
Boeing 7378H4
Aircraft serial
42535
Aircraft time
20,411 hours, 9,034 cycles
Part
Angle
Part number
146A750231
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
IN
How discovered
V
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

AFT CARGO COMPARTMENT LT Z-ANGLE CORRODED FROM BS 727E-807; LBL 24; WL 156. REMOVED CORROSION AT AFT CARGO COMPARTMENT LT Z-ANGLE STA 727E TO 807 LBL 24, IAW B737 SRM 51-10-02-0G-0 ITEM 15. ORIGINAL 'T' .040 REMAINING .028 LOSS .012. FOUND TO BE OUT OF LIMITS, IAW B737 SRM 53-00-53-1A-2 FIG 103. CUTOUT DAMAGE SECTION AT BETWEEN STA 727E AND 727F. FABRICATED AND INSTALLED REPAIR Z-ANGLE STA 727F TO 847 LBL 24, IAW B737 SRM 53-00-53-2R-5 REPAIR 5. P/N 146A7502-31.

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