SDR FDEA202104150931

Service difficulty report · Skin · Boeing 777F

Difficulty date: April 15, 2021
Submitted: April 15, 2021
Operation: Air carrier
Aircraft: N879FD
Make and model: Boeing 777F
Aircraft serial: 40685
Aircraft time: 9,029 hours, 1,658 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Part number: 148W4313
Condition: Cracked
Location: Zone 300
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

CRACK ON LOWER TAIL SECTION SKIN WRI: 53-10/2763. REPAIRED THE LOWER TAIL SECTION SKIN CRACK BETWEEN STA2319-STA2370, S-45L-45R PER PER SRM53-00-01 REPAIR 6 FIGURE 202. THIS IS A CATEGORY B REPAIR PER SRM53-00-01 REPAIR 6 FIGURE 202. THE INSPECTION THRESHOLD IS 18750FC FROM THE TIME THE AIRPLANE WAS DELIVERED. THE INTERVAL IS 10000FC. INSPECTION METHOD: INTERNAL HFEC (RECOMMENDED), EXTERNAL LHEC(ALTERNATIVE). DETAILED VISUAL. MAJOR REPAIR IAW FEDEX GMM6-2-100

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