SDR UIEA2011011400116

Service difficulty report · Intercostal · Boeing 747341

Difficulty date: January 14, 2011
Submitted: February 24, 2011
Operation: Air carrier
Aircraft: N355MC
Make and model: Boeing 747341
Aircraft serial: 23395
Aircraft time: 74,043 hours, 14,432 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1920-2160
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

BULK CARGO INTERCOSTAL STA 1920- 2160. LBL 22.5. ANCHOR NUT UNDER SKIN CORRODED OFF. TO DO REPLACEMENT(ANCHOR NUTS REMOVED AND BLENDOUT DONE PER SRM 51-10-01. MATERIAL THICKNESS = 0.065. REMAINING THICKNESS 0.060". WITHIN SERVICEABLE LIMITS EPR SRM 53-10-00. SATIS. NUTS REPLACED PER SRM 51-30-02. SATIS.)