SDR TSAA20230606067

Service difficulty report · Unknown · Boeing 737330

Difficulty date: June 6, 2023
Submitted: June 8, 2023
Operation: Air carrier
Aircraft: N301KH
Make and model: Boeing 737330
Aircraft serial: 27904
Aircraft time: 51,243 hours, 57,789 cycles
System (JASC): 5300 · Fuselage Structure (General)
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
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

CA 1464/185 CORROSION AT FUSELAGE CROWN SKIN STA727, BETWEEN S-3L AND S-3R, 5 AREA (L:0.7",W:0.5")(L:1.5",W:0.6")(L:5.7"W:0.8)(L:1",W:0.5")(L:0.8",W:0.7"). ALL CORROSION REMOVED AT FUSELAGE CROWN SKIN AT STA 727, BETWEEN S-3L AND S-3R (L:0.7", W:0.5") (L:1.5", W:0.6")(L:5.7", W:0.8") (L:1", W:0.5")(L:0.8", W:0.7"). REMOVED AND REMAINING IS WITHIN ALLOWABLE LIMIT. AREA CLEAN AND PROTECTIVE IAW B737-300 SRM 51-10-2, 51-20-01 AND 53-00-01 ALLOWABLE DAMAGE 1 (R130).