SDR SWAA2021082311135

Service difficulty report · Skin · Boeing 7377BD

Difficulty date: February 28, 2020
Submitted: August 23, 2021
Operation: Air carrier
Aircraft: N7745A
Make and model: Boeing 7377BD
Aircraft serial: 33933
Aircraft time: 42,015 hours, 21,094 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Corroded
Location: Bs 907
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

CORROSION ON EXTERNAL SKIN AT STA907+12; LBL45; WL178; BETWEEN STR21&22L / CORROSION REMOVED IN AREA 4.5'L X 4.0'W X .014'D. ORIGINAL MATERIAL .125'. OUT OF LIMITS PER SRM 53-00-01-1A-1; FIG 103 DET D. REWORKED CORROSION AND APPLIED EXTERIOR FINISHES @ STA. 907+12; LBL 45; WL 178 ON FUSELAGE EXTERIOR SKIN PER ER # 20-02008 REV IR AND EA # 1-753-36648 REV IR. APPLIED DENT DOT PER EA # 1-753-36648 REV IR. NO FURTHER ACTION/INSP. REQUIRED

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