Service difficulty report · Skin · Boeing 7377Q8

Difficulty date
August 29, 2023
Submitted
September 14, 2023
Operation
Air carrier
Aircraft
N7859B
Make and model
Boeing 7377Q8
Aircraft serial
30641
Aircraft time
61,225 hours, 40,354 cycles
Part
Skin
Part number
UNKNOWN
Condition
Cracked
Location
Zn 300 Stabilize
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

RIGHT HORIZONTAL STAB LOWER SKIN IS CRACKED AT RIB 138; 33 TO 35 INCH AFT OF FRONT SPAR<[01] VERIFIED STEP 3 IN PARTIAL.;[02] MEASUREMENT TABLE UPDATED.;[03] TRIMMED OUT THE DAMAGE PART OF THE RIGHT HORIZ. STAB LOWER SKIN AT RIB 138.33 TO 35' AFT OF FRONT SPAR; AND INSTALLED REPAIR PARTS IAW SRM 55-10-01-2R-11;[04] VERIFIED CORRECTIVE ACTION COMPLETE.;[05] VERIFIED MEASUREMENT TABLE COMPLETE.

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