Yahya bin Sa'id said: When Sayyiduna Mu'adh bin Jabal (may Allah be pleased with him) passed away, he was 28 years old; the one who stated his age as greater says that he was 32 years old.
Al-Tabarani recorded it; it is munqati' (broken) in its chain, and its chain is hasan (good).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب المناقب / 15715
Hadith Gradingمحدثین:إسنادہ حسن
Hadith Takhrij«اخرجه الطبراني فى المعجم الكبير (29/20)»